A-LevelMathematicsProbability and statisticsMay/June 2020Paper 6 Q16 Marks
The lengths, X centimetres, of a random sample of 7 leaves from a certain variety of tree are as follows. 5.2 4.8 5.5 6.1 4.8 3.9 4.4 It is now given that the true value of the population variance of X is 0.55, and that X has a normal distribution.
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