Mathematics 9709/62 — October/November 2019
Cambridge A-Level · Probability & Statistics 1 · worked solutions for every part, with the mark scheme
7
questions
50
marks
75
minutes
Topics Representation of Data · Probability · Discrete Random Variables · The Normal Distribution · Permutations and Combinations
Q1Representation of DataFree sample
Twelve tourists were asked to estimate the height, in metres, of a new building. Their estimates were as follows.
50 45 62 30 40 55 110 38 52 60 55 40
(i)3M
Find the median and the interquartile range for the data.
(ii)1M
Give a disadvantage of using the mean as a measure of the central tendency in this case.
The rest of this paper
6 more questions- Q2Probability5M
- Q3Representation of Data6M
- Q4Discrete Random Variables · The Normal Distribution8M
- Q5Discrete Random Variables7M
- Q6The Normal Distribution9M
- Q7Permutations and Combinations · Probability11M
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