Question
An investigator is interested in the distribution of weights at a convention of runners. He draws three samples, each sample containing 16 runners. The
An investigator is interested in the distribution of weights at a convention of runners. He draws three samples, each sample containing 16 runners. The mean weights were x = 152, X = 156 and X3 = 157. (a) Compute the variance using the three sample means and then find the best estimate of o (b) Use this estimate of to estimate the population variance .
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Probability And Statistics For Engineers And Scientists
Authors: Anthony Hayter
3rd Edition
495107573, 978-0495107576
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