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# S1 May 2012 - Post Exam Thread - Paper and Solutions in the FIRST POST

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1. S1 May 2012

Not sure what to make of this paper, certainly required a little more thought than normal

Q1 - DRV

Easy

Q2 - PMCC

Easy

Q3 - Linear regression

Bit weird but pretty easy

Q4 - Venn

So stupidly easy

Q5 - Measures of location / spread

Very weird - you could have quite easily solved it by spotting that there were 22.5 5x5 squares so each 5x5 square represented 20 cars.

However I think this will be a massive bloodbath with many students picking up no marks.

Q6 - Normal distribution

Harder than normal I would say; I used the % points table to answer b) and c)

Q7 - Probability

Fairly easy but pretty unusual

I am going for

75 - 100ums
68 - 90ums
61 - 80ums
53 - 70ums
45 - 60ums
37 - 50ums
29 - 40ums

This thread will be locked at somepoint and then unlocked at midnight following the Stats 1 examination.

I will upload the paper and my solutions to this post.

Here are some links to previous S1 threads, they are worth a read and you will see what the common errors were...

S1 Jan 2012 - http://www.thestudentroom.co.uk/show....php?t=1865940

S1 June 2011 - http://www.thestudentroom.co.uk/show....php?t=1619124

Good luck.
Attached Images
2. 12 May S1 RA.pdf (807.8 KB, 21128 views)
3. First?

This exam was lovely
4. I struggled on the histogram question so bad.
5. :/ ... Fingers crossed!
6. Unofficial mark scheme!
7. Good exam other than the histogram question which annoyed me >_<
8. (Original post by yayifications)
I struggled on the histogram question so bad.
I revised them all last night, funny feeling there was gonna be a horrible histogram question, as soon as I saw it I'm pretty sure I made a very loud noise in excitement...
9. The probability question was really difficult.
10. I thought the exam was nice! desperate to check my answers!
11. Everything easy apart from the histogram. Lost 9 marks from that
12. Histogram Q was good! The normal distribution part (c) was a muck-up of a Q... :/
13. (Original post by JakeMachinima)
I revised them all last night, funny feeling there was gonna be a horrible histogram question, as soon as I saw it I'm pretty sure I made a very loud noise in excitement...
I knew I couldn't do them, I just hoped they wouldn't come up... obviously not a good tactic LOL.
14. I was stupid enough to draw my tree diagram in pencil, do you think I'll lose marks for it? Other than that it was a decent paper.
15. did histogram in last 2 mins made so many stupid slips in the paper
16. mark scheme! dying to see the histogram question!
17. Anyone else totally mucked up the histogram one? I left the first 3 parts blank, fml
18. Solutions now in the first post
19. (Original post by UWS)
Everything easy apart from the histogram. Lost 9 marks from that
It seems that was the only question that got people - and it got people good! Everything else was good though, yeah.
20. Some of the probability questions were really tricky!
21. Easiest paper I've done in my life apart from maybe Unit 2 Chemistry GCSE , only thing i got wrong i think was drawing the regression line on the graph and the skew of the data i got mixed up. :/

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