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Determine unbiased estimates of the population mean and the variance for the heights of all mature trees of this variety.
Mathematics 9709 · AS & A Level · Sampling and estimation
Sampling and estimation — practice question
The heights, measured in metres, for a random sample of 10 mature trees of one particular variety are shown here:
$5.9,\; 6.5,\; 6.7,\; 5.9,\; 6.9,\; 6.0,\; 6.4,\; 6.2,\; 5.8,\; 5.8$.