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Mathematics (AS & A Level) · Oct / Nov 2022 · Paper 61 · Question 1

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The heights, in metres, of a random sample of 10 mature trees of a certain variety are given below. 5.9 6.5 6.7 5.9 6.9 6.0 6.4 6.2 5.8 5.8 Find unbiased estimates of the population mean and variance of the heights of all mature trees of this variety. [3]

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