Edexcel A-Level Further Mathematics - Further Statistics 1 - 16 October 2020

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_gcx
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Edexcel Further Mathematics Paper 3B/4B (Further Statistics 1)

Date: 16 October 2020
Session: PM
Length: 1h30
Marks: 75 (a fourth of the total A-level)

Paper 3B/4B can cover anything on the Further Statistics 1 part of the specification.

If you want to use old spec resources, there is a content mapping document here. Be aware that the style is different and the old specification does not cover everything.

Content Mapping

A summary of content mapping can be found below.

Spoiler:
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  • Discrete random variables - S1
  • Binomial - S2
  • Poisson - S2
  • Negative Binomial - S5*
  • Geometric Distribution - S5*/AQA S4/OCR S1
  • CLT - S3
  • \chi^2 testing - S3
  • Probability Generating Functions - S5*/OCR S4
  • Quality of tests - S4



(there is nothing completely new in FS1)

*S5 is a very old module (back when there was 20) that was examined between 2002 and 2006. There aren't that many past papers available (I put other exam boards there for that reason) and probably quite hard to find - not sure whether I can link some sources here. (needless to say, one or two of the questions will look very familiar because they ended up being reused in the FS1 textbook!)
Last edited by _gcx; 7 months ago
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MathHelpNow
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Best of luck for anyone sitting this exam!

I've been working through the official Edexcel Further Stats 1 textbook and have already completed the Further Stats 1/2 exams with video solutions.

My youtube is AJMaths if anyone might need some help/revision!
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Araucana
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Thank you, might have a look next week after the two core papers. I am doing FS1.
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Araucana
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Anyone else doing this?
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Araucana
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Good luck everyone for today
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John_DoeIII
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How was it?
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Araucana
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Think it was okay, much better than FP1 and CP2
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John_DoeIII
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(Original post by Araucana)
Think it was okay, much better than FP1 and CP2
Did you finish it? How many marks do you think you got?
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zanacs
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Really gassed w how this one went not sure I dropped any marks
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_gcx
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Good to hear it went well - FS1 was the nicest paper last year too.
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John_DoeIII
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(Original post by zanacs)
Really gassed w how this one went not sure I dropped any marks
How did you go about doing 7a)?
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zanacs
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(Original post by John_DoeIII)
How did you go about doing 7a)?
so S was uniformly distributed with a probability of 1/6 as u assume its a fair die right? So u could say P(X=x) = 1/6 for x = 1, 2, 3, 4, 5, 6. Then I calculated E(X) to be 3.5 and E(X^2) to be 91/6 so Var(X) was 35/12. Then using the central limits theorem with a sample size of 45, S (mean) is normally distributed with a mean of 3.5 and variance of 35/540. as u divide the variance of S by 45 to find the variance of S (mean). The question asks for P(S(mean) < k) =0.05 or something, so u just use the inverse normal on ur calculator and plug in the area = 0.05, mean = 3.5 and the standard deviation and it should give you k! in typing this I realised I did the variance wrong so maybe a couple of marks lost
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John_DoeIII
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Great that’s what i did too. I got 3.08 i believe and for Power I got 0.652 or something
Last edited by John_DoeIII; 5 months ago
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FARHEEN_ALI
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Where can we find the October 2020 FM papers ?
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Araucana
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Only released to teachers at this point.
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