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# [Official Thread] OCR MEI AS Mathematics 2016 (C1, C2 & S1)

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1. Ok, so here are my answers that i got on this years S1 paper;
1i) IQR = 4 Median = 29
ii) No outliers

2i) I got this wrong
ii) 0.16
iii) 0.81 (this may also be wrong)

3i) 120
ii) 1/60
iii) 1/60
iv) 0.05

4i) cbb to write it out
ii) E(X) = 2.74 Var(X) = 1.232

5i) 0.21
ii) cbb to write it out
iii) 0.241

6i) mean = 70.19 s.d. = 36.90
ii) 15.7%
iii) not drawing it out again
iv) positive
v) 20.2%
vi) forgotten what i wrote

7ai) 0.1423
B) 0.2108
C) 1.6
ii) p=0.1 h1, p<0.1
iii) Not writing it out
iv) don't reject as 2>1
2. 3 iv) I got 0.1 do you think this is correct?
3. (Original post by XenoMJ)
3 iv) I got 0.1 do you think this is correct?
Maybe, i also felt that i might have got the wrong answer on that one
4. I thought that was quite difficult
5. (Original post by bbbbbbbbbbbbbbbb)
Ok, so here are my answers that i got on this years S1 paper;
1i) IQR = 4 Median = 29
ii) No outliers

2i) I got this wrong
ii) 0.16
iii) 0.81 (this may also be wrong)

3i) 120
ii) 1/60
iii) 1/60
iv) 0.05

4i) cbb to write it out
ii) E(X) = 2.74 Var(X) = 1.232

5i) 0.21
ii) cbb to write it out
iii) 0.241

6i) mean = 70.19 s.d. = 36.90
ii) 15.7%
iii) not drawing it out again
iv) positive
v) 20.2%
vi) forgotten what i wrote

7ai) 0.1423
B) 0.2108
C) 1.6
ii) p=0.1 h1, p<0.1
iii) Not writing it out
iv) don't reject as 2>1
Got pretty much the same as you for most there! Although 6ii) I got 16.1% and 6)v I got 20% as did a few other people in my class... I wonder if they give a range of possible values as an answer for those who use the histogram to get the answer the reading might be different?

All in all, not too bad of a paper, section B was easier than section A in my opinion... I reckon around 61/62 for an A
6. (Original post by Storm_Spirit)
Some rough questions that paper
I know! What did u get for the standard deviation of the women's shoes?
7. What was the upper quartile and lower quartile?
8. (Original post by XenoMJ)
3 iv) I got 0.1 do you think this is correct?
I got this too
9. Well guess who failed S1
10. is it me or was the histogram very difficult to draw because of the scales they gave you? mine was very cramped
11. Does it matter that I didn't put mean and sd to 2dp even though it was money
12. Exam was quite easy. Hopefully bring up my terrible C1 result.
13. I got 0.66 for 2 (iii)
14. (Original post by ♥Samantha♥)
Does it matter that I didn't put mean and sd to 2dp even though it was money
You may lose an answer mark depending on how cruel the mark scheme is and how many marks the question was worth!
15. Did anyone get 1/60 for two answers in a row I think it was on the question about the runners
16. (Original post by Crozzer24)
Did anyone get 1/60 for two answers in a row I think it was on the question about the runners
Yes it was 1/60th for two in a row, then 1/10th for the final answer
17. (Original post by alexward.9)
Yes it was 1/60th for two in a row, then 1/10th for the final answer
Nice I got the same. Always feel a bit insecure getting two questions with the same answer
18. (Original post by Hiba.A)
I got 0.66 for 2 (iii)
So did I, what about 2 (i) ?
19. (Original post by Hiba.A)
I got 0.66 for 2 (iii)
Got this as well. Did you use 3c2?
20. lowest K% = 13?

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