Mathematics 9709/72 — May/June 2014
Cambridge A-Level · Probability & Statistics 2 · worked solutions for every part, with the mark scheme
7
questions
50
marks
75
minutes
Topics Sampling and Estimation · Linear Combinations of Random Variables · The Poisson Distribution · Hypothesis Tests · Continuous Random Variables
Q13MSampling and EstimationFree sample
The weights, in grams, of a random sample of 8 packets of cereal are as follows.
| 250 | 248 | 255 | 244 | 259 | 250 | 242 | 258 |
Calculate unbiased estimates of the population mean and variance.
The rest of this paper
6 more questions- Q2Linear Combinations of Random Variables5M
- Q3The Poisson Distribution · Hypothesis Tests5M
- Q4The Poisson Distribution · Linear Combinations of Random Variables8M
- Q5Sampling and Estimation9M
- Q6Continuous Random Variables10M
- Q7Sampling and Estimation · Hypothesis Tests10M
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