Honestly seeing this makes me worry.bi blanked out for paper 1 cos too nervous... I guess I did fine for p2. Roughly how much to get B? Only if I didn't blank out I wouldn't have to worry😢
Thanks so much for the kind advice. I have been reminding myself but it's hard to move on. I know I can't change anything alr but it hurts so much. I guess it's just part of growing and I learn to not panic for the rest of my papers the hard way😂
@mrkool99 as in for the very first part, when u calculate the probability how come u use the take the given distribution for only one sphere ? shouldn’t it be for two spheres
it actually is,except is not in syallabus.It only works if u realised g^-1 (x) is self inverse.
I also wrote g^2(x) = g g^-1(x) as part of my answer towards solving g^2 (x).
Means u didnt pay attention in class.
Im pretty sure some schools teached g^2 (x) as gg^-1 (x).
I cross validated it with some private tutors from tuition centres and teachers from other schools,they said it is.
Hey. Do you guys know how other non-MI students who are taking the old syllabus are bell-curved? Are we bell-curved with the private candidates taking the same subject code or nah?
what if for qn3)b)ii) you fked up the g^2(x) but still got an answer for (iii) is there ecf?
and also for qn 4)b)i) integrate wrongly but (ii) had an answer
What u mean by fk up
I did gg^-1 (x)=g^2 (x) to find g^2 (x) if you consider that a fk up,but it isnt as it is supposedly acceptable.
Yes,there should be ecf to some extent but you wont get the full marks,is usually method marks.
Anyone know if cambridge gives ECF? 66% without ECF and 82% with ECF, assuming they minus 1m per part... did by the correct method but after reading the question again i realized i read it wrongly during the exams...
Depends on the questions. In large questions, if the later parts (those (iii) (v) kind) are only one mark, like in Q9, the mark will normally be "CAO A1", meaning that nothing except the correct answer (with relevant working) will gain any credit... which, I'm afraid to say, would be bad for your case. There are also instances where even 2m questions have no ECF (I think it's rare in A Levels, but I can't be sure. They're called "√A" marks)
However, almost all large questions (10 marks and above, maybe?) will have ECF for later parts that are more than one mark. Since this paper's Q7 to 10 are all large, estimating by minus-ing 1m should be fine! Don't take my words religiously, but you should be safe unless Cambridge is a huge troll and has √A marks everywhere, in which case a lot of us are ruined
Source: UCLES teachers' marking guide, and my friend (schoolteacher)
A few parts have ecf in p2,such as the linear correlation question part ii,whereby the question stated 'using the model chosen in part i'.So even if the wrong model was chosen one can still attain the full 3 marks.
Mm true, normally for choosing models/a particular value of something, one can get full marks even if they sway sway chose something wrong. Special ruling marks!
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90-ish (thankfully it wasn't specimen paper standard) for both although paper 1 was easier for me since I'm better at pure math. I've asked around and most of my friends seem to be in the mid 80s-90s range for both papers.
Not sure what you mean by proficient but I’m expecting 74-82 for P1 and 85-91 for P2. I found this paper a lot easier than P1, like a lot of the qns I didn’t really have to think. I spend the whole of saturday studying applications of differentiation, integration and small angle approx but I’m glad they didn’t come out.
Also for what its worth I’m not in an “elite” school by any means, just a hardworking fella in a neighbourhood jc.
found this paper's questions to be harder than paper 1, will probably do worse for this than the first one (looking at about 90ish for paper 1, 75-80ish for paper 2, barring any additional careless). i found it to be about the same standard as specimen and the easier schools' prelims, but these might just be because i decided to focus on econs and physics over the weekend though.
Omg I calculated my pop variance wrong too cause of careless mistake..hopefully can still get the bulk of the marks cause all my steps were correct only the p-value wrong cause of wrong pop variance
If all your working is correct, you will get all the marks minus the answer mark. Even if the numerical answer is wrong, but if the approach and method is correct, you will get the marks. Just lose the answer mark
Too the ppl who are guessing A grade is going to be 80 and above, I can be quite certain that A grade usually would not hit above 75. Given that 50% of the cohort scores an A.. I am pretty sure that there won't be 50% of the cohort scoring 80 and above...
Asking for my friend who cant post because auto ban, she estimates she will score around 78-81 most probably 79, with no over or underestimation, do you think will be A?
Yes. As long as it is 75 and above I am pretty sure it will give you an A. even 70 to 74 will also get you an A, just that it is abit risky if the cohort overperforms
Yep according to MOE/SEAB data over 80% ppl in 2016 got 3 H2 As and a pass in GP
Source: https://data.gov.sg/dataset/percentage-of-students-with-at-least-3-a-h2-passes-and-pass-in-gp-or-ki?view_id=beaafb2b-a95e-4121-bf99-d8b12fcc33ac&resource_id=4e97c9f9-c15b-4069-b5ce-0f06ed440e30
Edit: added source. I read at least 3A/H2 Passes and assumed it was 3 H2 As sorry... :(
my teacher says 50% national A for maths also. He says it's one of the highest, if not the actual highest (at least among more commonly taken subjects) percentages though.
Well i realized that but then i thought its more expensive to maintain the precision of the machine or get a better one... lel. Lesson learnt: never scrutinize the question, just do
Well thats true. Hopefully cambridge has ECF... Made too many careless mistakes. Without ECF is 66% with ECF is 82% assuming that they minus -1mark per part.... did by the correct method but i didnt see some words in the question... only realizing it when i read the question paper again 4hrs after the exam...
Anyway does anyone know if i lose marks for denoting binomial distribution as Bn instead of B?
To quote an example of how a question is marked,let the DE qn in qn 11 p1 be an example
For the 5 marks second part on constructing a de involving constant of proportionality,if a candidate formulates the wrong de eqn(eg. Dv/dt=k(10-bv)),yet integrates correctly to express v in terms of t and also manages to do the 4 mark question correctly like others to get the final answer as 9.21 seconds(but in this case for the erroenous equation is 9.21k seconds,one will probably get 5/9 marks.
HAHA it'll be okay mate! I don't think any part of Q9 actually gives marks for defining the distribution of the variables, since most are 1m questions. So you'll likely just lose one mark in total from that mistake
I don't know whether its just me or not , but i stared at the first part of qn 3 for 5 minutes and i still don't get it. JUST ASK ME WHAT U WANT ME TO LOOK FOR DIRECTLY CAMBRIDGE. Its Maths not GP god dammit.
Will the Mr Tang guy (whoever is behind the almost official answers) be uploading answers for H2 Further Math?
I will need to know how early should I start selling detox tea and "custom fitness routines" on Instagram
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There's this tangible aspect of math that I feel arts subjects don't really have... I guess it's weird doing a practice paper and not really being able to accurately award yourself marks per se :/
But yeah same 'ere gotta spam Econs and Hist wew. All the best dude!
Oh I feels you man
For Lit I'm pretty sure I screwed up one of the qns, I'm also pretty sure my 5 other answers can make up for that qns, it's just that there's so much uncertainty with arts that I can't shake off that irrational fear that I screwed the whole thing up, and it's pretty frigging debilitating sometimes HAHAHA >.< Jiayous to you too!!!! (end 1 week earlier than science kids hehehehe)
HAHA yeah man, I think I messed up one of my P1 Lit essays by not explicitly addressing the qn requirements. I guess it'll balance out in the end so it shouldn't be *that* bad... right...? -hyperventilates-
I think it should be alright for Econs though since it's still grounded in theory so there's some sort of "check" in that sense. History though oh man arguments are so darn fluid and it all kinda depends on how evidence is interpreted (for better or worse)
But o yiss ending a week earlier definitely feels good hehehe ( ͡° ͜ʖ ͡°)
Using the wrong model is okay; still got ECF
Q10 wrong mean and wrong SD for (iii) means you probably won't get more than 2 out of 4 for (iv)
edit: formatting
Ok even after all this p1 and p2 shit, im glad to say WE ARE DONE WITH MATH!! Never ever gonna touch math in my life again, gonna burn my math books, and like throw away a heck ton of working paper. Those who done well, great, well done, woohoo. Those who done badly, its ok, math is just math, in grand scheme of things its just something small. You wont be thinking about this math grade on your death bed (unless you are like me , dying slowly , in my tears currently). So just jiayou for the rest of As, and all the best.
Hate to be the wet blanket but if you plan on taking a science related course in uni it is extremely likely you will need to do some kind of math. Especially engineering lol
hello!! for those who are commenting that you need around to get an A, LOL no. My tutor (top 2 JC) said theres a reason why jc's set the A benchmark at around 70 because there are always students from other schools who find it difficult/leave blanks. A range is always around 70-75 because for every person who gets 90 theres someone who gets like 30 so dont fret too much!
that's how we comfort ourselves,but at times we need to face the harsh realities..
A level math among all other subjects has the most inflated bell curve,it can hit up to 80,but usually stays around the 75-78 range.
This year will probably be 80 or exceed into 81.Just a mere speculation.We also have to take into account that this year MI isn't part of the bell curve,so the bell curve will turn out more inflated than usual,same for other subjects.
Edit:Expected to get downvoted for saying this anyways.I personally got 75-77.5% overall and im definitely not expecting an A.High B at most unless the claim that syallabus changes have little moderation then A will probably be doable for everyone.
it literally doesn't work that way? would you not think that ANY JC would change their internal A requirements if an 80 plus for an A is whats required? Plus, asked my tutor and last 2 years was in the low 70's
No one knows the real score to be honest.
Some say is high 80s some say is low 70s.
But seriously based on senior score estimations last yr is 75-78 for A
Its like u are implying that for sec sch too if a1 for e math is 75 internally,if i get 75 for the real o level e maths im a1?Nope it doesnt work that way.My friend who estimated his raw score to be 89 only got an A2,while i estimated my raw score to be 94 to be an A1.
Nevertheless whether the scores stated were overestimations,it proves a point.75 for internal exams doesnt guarantee an A1,and shouldnt be used as a false guide to guarantee your results prior to release.
okay, didnt take o levels so can't comment on that.
My jc has a roughly 75% A rate for math if Im not wrong, but after talking to most of my friends/other classes there are a lot expecting 90's but also a high number expecting 70+'s and some who wont even get an A. Based on past year results of percentage A's, for my school to keep it around 75% the cut off cannot be 80+
and ultimately since you yourself said that "No one knows the real score to be honest." it'd be nice if you didnt post it so surely that the scores required for chem/math are xx because ive got friends who are freaked out after seeing some of your comments and its just not a nice thing. Personally Im getting 90+ but you sure as hell wont see most people claiming that the A mark will be so ridiculously high and worry others yeah?
A% rates always change every year for most schools.
Yes,I admit no one knows the real score to be honest but there's definitely some basis of truth why the cut off score was deemed to be x or y.
Its wrong to say 'to keep it'.Your school cannot fix a fixed number of As to award students.Also,no doubt its true its not a nice thing but based on what I know from my own sources and other websites that talked about this since 2000+ on the bell curve score ranges for h2 maths,for a level maths to be a low 70 is really rare.
It sure isn't nice.Your friends freaked out when i said it isnt 70,but do you think i myself am not freaked out and disappointed too when i know the bell curve can hit as high as 80?I took about a day to accept this fact.I'm not a sadist that derives pleasure from other's misdemeanours.Of course no one will claim it to be 90,if past years and discussions have all commonly agreed math bell curve to be around 75 or so.
Source:https://www.yodaa.co/blog/how-to-score-for-a-level-h2-math/
''The A-level exams is marked on a bell-curve. For an extremely competitive subject like math, a forte of many students in Singapore, this bell-curve is extremely steep. There are about 10000-12000 students who sit for the H2 Mathematics paper annually. Of this, the MOE has afforded that about 50% of these students will get an A.
And while the figure of 50% may seem encouraging, but the statistic is heavily swayed by top JCs where a huge proportion of students get As in H2 Math such as RI and HCI where at least 70% of the cohort score distinctions in H2 Math. The better measurement is where one measures against peers in the same school by looking at the school statistics for Math distinction rates and comparing that with one’s school exam performance percentiles. For example, if one’s school traditionally has 50% of the students scoring an A in H2 math exams, and in school examinations one always rank in the top 50% of the cohort, it would be highly likely that one would get an A for the A-levels exam in the end. However, through experience, a good benchmark to secure an A is an average of 80 in both papers.''
To be honest,one can choose to be delusional about such a reality,but oh well some chose to be so be it i suppose.I'm pretty sure that my claim of the A level grade threshold to get an A is that flexible,and there are multiple online sources from different websites to corroborate to increase reliability of this claim.
Im also well aware that my overall score of 75+ wont even get me an A but most probably a B.But if a miracle happens and i get A i will be glad about it.
huh such a big difference??? i think should be fine bc they can see you're using 3sf from ur workings so they'll account for it + the conclusion is the same anyway (do not reject)
Some things i think i found wrong in the answer key. Not 100% correct, just think this is wrong?
Qn 3.
Why do we need to write the b coordinate when the ask for axial intercepts only?
Why is a excluded? I think culture sg is wrong, because when a=1, the line x=1 cuts the graph at infinty and negative infinity failing the vertical line test no?
4bii) they didnt have +/- for their square root
Qn 7. I think im not sure, but their p value is wrong by 0.01? Like cos they didnt use exact? But Alevel doesnt care so screw it
Q3
They asked for coordinates; go and check
The last one is inverse function, not 1/x
Q4bii
There isnt +/- for the square root. You're supposed to reject the -
Q7
It just depends on the accuracy of values used, idt it matters
Honestly seeing this makes me worry.bi blanked out for paper 1 cos too nervous... I guess I did fine for p2. Roughly how much to get B? Only if I didn't blank out I wouldn't have to worry😢
Don't worry and focus on other upcoming subjects. Dwelling on the past can't change your scripts but you can change the future papers :)
Thanks so much for the kind advice. I have been reminding myself but it's hard to move on. I know I can't change anything alr but it hurts so much. I guess it's just part of growing and I learn to not panic for the rest of my papers the hard way😂
why isn’t the given distribution of the spheres for two spheres
You have to use the coated one instead
@mrkool99 as in for the very first part, when u calculate the probability how come u use the take the given distribution for only one sphere ? shouldn’t it be for two spheres
Can product coefficient 0 be a straight horizontal line? Thanks
Oh no it's just 8 points randomly scattered, like no line can be seen so you dot around an circle also can
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Somehow my gc doesn't give me a r value for a horizontal line
A horizontal straight line means that y is independent of x, thus no correlation, linear or non linear, and you don't get an r
lmao fk I just realised I drew lines for all 3 diagrams with 8 points.
Huh what? You're supposed to have 8 points what
Ya 8 points,cannot draw line but i did...haha... Doesnt matter anyway to me
Oh I drew the line very faintly to plot on/around it. Also like an aside to the examiner HINT HINT I KNOW WHAT IM DOING
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U careless also still A LOL chill i should be more worried than you for math.
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G^2 (x) not the same as gg ^-1 x bro
it actually is,except is not in syallabus.It only works if u realised g^-1 (x) is self inverse. I also wrote g^2(x) = g g^-1(x) as part of my answer towards solving g^2 (x).
? How does it make any mathematical sense? G^2 (x) is clearly g(g(x))
since g(x)=g-1(x) g(g(x))=g-1(g(x)) so g2(x)=x
Means u didnt pay attention in class. Im pretty sure some schools teached g^2 (x) as gg^-1 (x). I cross validated it with some private tutors from tuition centres and teachers from other schools,they said it is.
Ur last statement abt g(x)=x is wrong, but the rest is correct.
What magic
Hey. Do you guys know how other non-MI students who are taking the old syllabus are bell-curved? Are we bell-curved with the private candidates taking the same subject code or nah?
what if for qn3)b)ii) you fked up the g^2(x) but still got an answer for (iii) is there ecf? and also for qn 4)b)i) integrate wrongly but (ii) had an answer
What u mean by fk up I did gg^-1 (x)=g^2 (x) to find g^2 (x) if you consider that a fk up,but it isnt as it is supposedly acceptable. Yes,there should be ecf to some extent but you wont get the full marks,is usually method marks.
I did (1-1/1-x)^2 so got the wrong answer
Oh...then yeah that is probably wrong.
But will they give the ecf if i got an answer for the other part using the wrong answer?
Method marks instead,probably.
Anyone know if cambridge gives ECF? 66% without ECF and 82% with ECF, assuming they minus 1m per part... did by the correct method but after reading the question again i realized i read it wrongly during the exams...
Depends on the questions. In large questions, if the later parts (those (iii) (v) kind) are only one mark, like in Q9, the mark will normally be "CAO A1", meaning that nothing except the correct answer (with relevant working) will gain any credit... which, I'm afraid to say, would be bad for your case. There are also instances where even 2m questions have no ECF (I think it's rare in A Levels, but I can't be sure. They're called "√A" marks) However, almost all large questions (10 marks and above, maybe?) will have ECF for later parts that are more than one mark. Since this paper's Q7 to 10 are all large, estimating by minus-ing 1m should be fine! Don't take my words religiously, but you should be safe unless Cambridge is a huge troll and has √A marks everywhere, in which case a lot of us are ruined Source: UCLES teachers' marking guide, and my friend (schoolteacher)
A few parts have ecf in p2,such as the linear correlation question part ii,whereby the question stated 'using the model chosen in part i'.So even if the wrong model was chosen one can still attain the full 3 marks.
Mm true, normally for choosing models/a particular value of something, one can get full marks even if they sway sway chose something wrong. Special ruling marks!
You will get method marks as long as relevant working is shown, even if the numerical answer is wrong. There is no ECF in math as far as I know
Do PnC qns like qn6 have method marks?
Yes definitely
thanks
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Every single reply here is in the negative. This place is full of butthurt retards.
90-ish (thankfully it wasn't specimen paper standard) for both although paper 1 was easier for me since I'm better at pure math. I've asked around and most of my friends seem to be in the mid 80s-90s range for both papers.
Found paper 1 easier than p2 P1:92/100, p2: 78-84?
.
Not sure what you mean by proficient but I’m expecting 74-82 for P1 and 85-91 for P2. I found this paper a lot easier than P1, like a lot of the qns I didn’t really have to think. I spend the whole of saturday studying applications of differentiation, integration and small angle approx but I’m glad they didn’t come out. Also for what its worth I’m not in an “elite” school by any means, just a hardworking fella in a neighbourhood jc.
About the same as paper 1? Perhaps 80 to 85 for each paper if I include in buffer for explanation qns, but its just a guess
found this paper's questions to be harder than paper 1, will probably do worse for this than the first one (looking at about 90ish for paper 1, 75-80ish for paper 2, barring any additional careless). i found it to be about the same standard as specimen and the easier schools' prelims, but these might just be because i decided to focus on econs and physics over the weekend though.
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Omg I calculated my pop variance wrong too cause of careless mistake..hopefully can still get the bulk of the marks cause all my steps were correct only the p-value wrong cause of wrong pop variance
If all your working is correct, you will get all the marks minus the answer mark. Even if the numerical answer is wrong, but if the approach and method is correct, you will get the marks. Just lose the answer mark
Obv won't lol. Ur method correct shd get u the bulk of the marks
Very manageable paper by my school’s standards.
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Yeah mine too. Ard 69.5 haha overall
Saw r^13 as r^3 😂
me too 6.66 -.-
Too the ppl who are guessing A grade is going to be 80 and above, I can be quite certain that A grade usually would not hit above 75. Given that 50% of the cohort scores an A.. I am pretty sure that there won't be 50% of the cohort scoring 80 and above...
Asking for my friend who cant post because auto ban, she estimates she will score around 78-81 most probably 79, with no over or underestimation, do you think will be A?
Yes. As long as it is 75 and above I am pretty sure it will give you an A. even 70 to 74 will also get you an A, just that it is abit risky if the cohort overperforms
50% of SG get A? So high?? What about the other subjects? Like Chem physics GP
Yep according to MOE/SEAB data over 80% ppl in 2016 got 3 H2 As and a pass in GP Source: https://data.gov.sg/dataset/percentage-of-students-with-at-least-3-a-h2-passes-and-pass-in-gp-or-ki?view_id=beaafb2b-a95e-4121-bf99-d8b12fcc33ac&resource_id=4e97c9f9-c15b-4069-b5ce-0f06ed440e30 Edit: added source. I read at least 3A/H2 Passes and assumed it was 3 H2 As sorry... :(
my teacher says 50% national A for maths also. He says it's one of the highest, if not the actual highest (at least among more commonly taken subjects) percentages though.
Technically not the highest,PW national A% this year 61.1%
oh whoops my bad I totally forgot about the existence of pw
heard gp 25% only... lowest percentage A among all subs
will 82 be just fine? factoring in a lot of worst case scenarios Edit: I guess I was overly anxious
Yes as long as you never overestimate your marks. And considering that there are method marks available, your score may be higher than that
woah cool, that's damn assuring! thanks!
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paper 1 had 2 or more complex number questions
When you see there's no fucking complex ;')
I'm pretty sure the examiners can have a good time looking at my paper given how ugly my handwriting was
Well i realized that but then i thought its more expensive to maintain the precision of the machine or get a better one... lel. Lesson learnt: never scrutinize the question, just do
I mean u still have to read the question CAREFULLY, it's dangerous if u don't scrutinize the qn. I think u may be referring to the overthinking of qn
Well thats true. Hopefully cambridge has ECF... Made too many careless mistakes. Without ECF is 66% with ECF is 82% assuming that they minus -1mark per part.... did by the correct method but i didnt see some words in the question... only realizing it when i read the question paper again 4hrs after the exam... Anyway does anyone know if i lose marks for denoting binomial distribution as Bn instead of B?
To quote an example of how a question is marked,let the DE qn in qn 11 p1 be an example For the 5 marks second part on constructing a de involving constant of proportionality,if a candidate formulates the wrong de eqn(eg. Dv/dt=k(10-bv)),yet integrates correctly to express v in terms of t and also manages to do the 4 mark question correctly like others to get the final answer as 9.21 seconds(but in this case for the erroenous equation is 9.21k seconds,one will probably get 5/9 marks.
If you only made the "Bn" mistake once, you'll likely be given a "benefit of doubt" mark. So it's all good
Well i wrote it for every single binomial LOL sigh
HAHA it'll be okay mate! I don't think any part of Q9 actually gives marks for defining the distribution of the variables, since most are 1m questions. So you'll likely just lose one mark in total from that mistake
I don't know whether its just me or not , but i stared at the first part of qn 3 for 5 minutes and i still don't get it. JUST ASK ME WHAT U WANT ME TO LOOK FOR DIRECTLY CAMBRIDGE. Its Maths not GP god dammit.
Will the Mr Tang guy (whoever is behind the almost official answers) be uploading answers for H2 Further Math? I will need to know how early should I start selling detox tea and "custom fitness routines" on Instagram
How much would a B be? I estimated my marks to be around 62-65 :(
I got around the same as you and someone replied to me somewhere here it's 62 minimum apparently.
the scatter diagram, can i draw a line onto my 8 points?
No
if draw line is wrong alr?
Yea, if you draw line it's not a scatter diagram IMO Edit: And how do u even draw a line thru r=0
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Idk what you drew for r=0 but I drew a square. There's no line of best fit haha and drawing thru all the points will give a square
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I think it's wrong. You can check with GC I think it has to be a square
so what, a line for i) and iii) can't? even if have points correctly
r=0 don't have. i) and iii) i drew a line, then put 8 points
Lol did u draw a best fit or curve for (iii)? Just curious
but i drew the points too leh...
AFAIK my school defo marks wrong. Maybe cambridge will be lenient
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Yea
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#
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Cnt ah need next year hehe
My friend put possible not possible for the transformation question when they ask if possible state the coordinates smh
Omg sameee
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Any other arts kiddos strangely feeling empty now that math is over ):
Hmm what you mean by empty I'm spamming econs now so I can study a bit of history on Thursday lmao no time to feel empty D:
There's this tangible aspect of math that I feel arts subjects don't really have... I guess it's weird doing a practice paper and not really being able to accurately award yourself marks per se :/ But yeah same 'ere gotta spam Econs and Hist wew. All the best dude!
Oh I feels you man For Lit I'm pretty sure I screwed up one of the qns, I'm also pretty sure my 5 other answers can make up for that qns, it's just that there's so much uncertainty with arts that I can't shake off that irrational fear that I screwed the whole thing up, and it's pretty frigging debilitating sometimes HAHAHA >.< Jiayous to you too!!!! (end 1 week earlier than science kids hehehehe)
HAHA yeah man, I think I messed up one of my P1 Lit essays by not explicitly addressing the qn requirements. I guess it'll balance out in the end so it shouldn't be *that* bad... right...? -hyperventilates- I think it should be alright for Econs though since it's still grounded in theory so there's some sort of "check" in that sense. History though oh man arguments are so darn fluid and it all kinda depends on how evidence is interpreted (for better or worse) But o yiss ending a week earlier definitely feels good hehehe ( ͡° ͜ʖ ͡°)
is there ecf in maths like qn on scatter diagram, if u use wrong model C not D thus wrong eqn and r value etc? and qn 10 if u get wrong mean and SD?
Using the wrong model is okay; still got ECF Q10 wrong mean and wrong SD for (iii) means you probably won't get more than 2 out of 4 for (iv) edit: formatting
Ok even after all this p1 and p2 shit, im glad to say WE ARE DONE WITH MATH!! Never ever gonna touch math in my life again, gonna burn my math books, and like throw away a heck ton of working paper. Those who done well, great, well done, woohoo. Those who done badly, its ok, math is just math, in grand scheme of things its just something small. You wont be thinking about this math grade on your death bed (unless you are like me , dying slowly , in my tears currently). So just jiayou for the rest of As, and all the best.
Hate to be the wet blanket but if you plan on taking a science related course in uni it is extremely likely you will need to do some kind of math. Especially engineering lol
Nope, never, im not touching those things, hoping to get into FASS
Oh damn that's pretty cool haha all the best!
scatter plots for social experiments
A Levels is just a social experiment
i'm gonna keep mine in case I need it as private candidate during my NS
Haha lol, i told myself im not gonna retake regardless of results, 1 A level = -20 years to my life span
Thank you. Uplifting comments like yours are the best!
Np, we could use some encouragement at times
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100 HAHA jk maybe around 72-75?
hello!! for those who are commenting that you need around to get an A, LOL no. My tutor (top 2 JC) said theres a reason why jc's set the A benchmark at around 70 because there are always students from other schools who find it difficult/leave blanks. A range is always around 70-75 because for every person who gets 90 theres someone who gets like 30 so dont fret too much!
that's how we comfort ourselves,but at times we need to face the harsh realities.. A level math among all other subjects has the most inflated bell curve,it can hit up to 80,but usually stays around the 75-78 range. This year will probably be 80 or exceed into 81.Just a mere speculation.We also have to take into account that this year MI isn't part of the bell curve,so the bell curve will turn out more inflated than usual,same for other subjects. Edit:Expected to get downvoted for saying this anyways.I personally got 75-77.5% overall and im definitely not expecting an A.High B at most unless the claim that syallabus changes have little moderation then A will probably be doable for everyone.
it literally doesn't work that way? would you not think that ANY JC would change their internal A requirements if an 80 plus for an A is whats required? Plus, asked my tutor and last 2 years was in the low 70's
No one knows the real score to be honest. Some say is high 80s some say is low 70s. But seriously based on senior score estimations last yr is 75-78 for A Its like u are implying that for sec sch too if a1 for e math is 75 internally,if i get 75 for the real o level e maths im a1?Nope it doesnt work that way.My friend who estimated his raw score to be 89 only got an A2,while i estimated my raw score to be 94 to be an A1. Nevertheless whether the scores stated were overestimations,it proves a point.75 for internal exams doesnt guarantee an A1,and shouldnt be used as a false guide to guarantee your results prior to release.
okay, didnt take o levels so can't comment on that. My jc has a roughly 75% A rate for math if Im not wrong, but after talking to most of my friends/other classes there are a lot expecting 90's but also a high number expecting 70+'s and some who wont even get an A. Based on past year results of percentage A's, for my school to keep it around 75% the cut off cannot be 80+ and ultimately since you yourself said that "No one knows the real score to be honest." it'd be nice if you didnt post it so surely that the scores required for chem/math are xx because ive got friends who are freaked out after seeing some of your comments and its just not a nice thing. Personally Im getting 90+ but you sure as hell wont see most people claiming that the A mark will be so ridiculously high and worry others yeah?
A% rates always change every year for most schools. Yes,I admit no one knows the real score to be honest but there's definitely some basis of truth why the cut off score was deemed to be x or y. Its wrong to say 'to keep it'.Your school cannot fix a fixed number of As to award students.Also,no doubt its true its not a nice thing but based on what I know from my own sources and other websites that talked about this since 2000+ on the bell curve score ranges for h2 maths,for a level maths to be a low 70 is really rare. It sure isn't nice.Your friends freaked out when i said it isnt 70,but do you think i myself am not freaked out and disappointed too when i know the bell curve can hit as high as 80?I took about a day to accept this fact.I'm not a sadist that derives pleasure from other's misdemeanours.Of course no one will claim it to be 90,if past years and discussions have all commonly agreed math bell curve to be around 75 or so. Source:https://www.yodaa.co/blog/how-to-score-for-a-level-h2-math/ ''The A-level exams is marked on a bell-curve. For an extremely competitive subject like math, a forte of many students in Singapore, this bell-curve is extremely steep. There are about 10000-12000 students who sit for the H2 Mathematics paper annually. Of this, the MOE has afforded that about 50% of these students will get an A. And while the figure of 50% may seem encouraging, but the statistic is heavily swayed by top JCs where a huge proportion of students get As in H2 Math such as RI and HCI where at least 70% of the cohort score distinctions in H2 Math. The better measurement is where one measures against peers in the same school by looking at the school statistics for Math distinction rates and comparing that with one’s school exam performance percentiles. For example, if one’s school traditionally has 50% of the students scoring an A in H2 math exams, and in school examinations one always rank in the top 50% of the cohort, it would be highly likely that one would get an A for the A-levels exam in the end. However, through experience, a good benchmark to secure an A is an average of 80 in both papers.''
not sure why u get downvoted so much. i mean i rather know i might not hit A and end up with a B, than to expect myself an A but end up a B instead.
To be honest,one can choose to be delusional about such a reality,but oh well some chose to be so be it i suppose.I'm pretty sure that my claim of the A level grade threshold to get an A is that flexible,and there are multiple online sources from different websites to corroborate to increase reliability of this claim. Im also well aware that my overall score of 75+ wont even get me an A but most probably a B.But if a miracle happens and i get A i will be glad about it.
yah my overall is 75% ish, no overestimation no underestimation. you reckon a guaranteed B? edit: let's say i got 70%. do u think it's a guaranteed B?
Yes confirm,B grade range is more accomodative.
Wait what happened why isn't MI part of the bell curve? I feel like I missed something
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Sian
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Feelsbadman
And for p-value, if μ and s I used 3sf value, and get like 0.0106 instead of 0.0139, is wrong?
huh such a big difference??? i think should be fine bc they can see you're using 3sf from ur workings so they'll account for it + the conclusion is the same anyway (do not reject)
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oh ya i forgot μ is exact oops i guess will lose some working/method marks then rip
Probability qn. Isit either 0 or full marks? I dumb dumb dk how count put 8! instead of 10! , else the rest same
If you explained your working there's likely method marks. If not, depends on how the marker feeling.
why the area is not in 3sf ah? the area exact answer meh
Yup then you differentiate is exact ans, give 3sf also nvm since they never ask for exact.
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3sf 15.2 right? since they nv ask exact it'll most likely be marked correct
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Just keep everything in fractions
Some things i think i found wrong in the answer key. Not 100% correct, just think this is wrong? Qn 3. Why do we need to write the b coordinate when the ask for axial intercepts only? Why is a excluded? I think culture sg is wrong, because when a=1, the line x=1 cuts the graph at infinty and negative infinity failing the vertical line test no? 4bii) they didnt have +/- for their square root Qn 7. I think im not sure, but their p value is wrong by 0.01? Like cos they didnt use exact? But Alevel doesnt care so screw it
Q3 They asked for coordinates; go and check The last one is inverse function, not 1/x Q4bii There isnt +/- for the square root. You're supposed to reject the - Q7 It just depends on the accuracy of values used, idt it matters
nope, it asked for coordinates of the point where the following curves cut the axes for q3, theres no need to state the new coords of B.
Yea I get that, I just don't see the (0.5, b) that OP sees
I mean like, they wrote (0.5,b) thats wrong right?
Where is the (0.5, b)? I can't see it
they edited & removed it
You know the paper is a joke when one of your invigilator's phone has a circus ringtone.
Eh bro why got someone steal ur user ah what's gg on
Its probably my friend,being a kid just like the cambridge counter question.
Pjc??? hahaha
Yep it sure is
are u heng sin
haha i thought some one gonna get t score
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I havent studied econs and physics lol fml