For a sample of n subjects the relative frequencies are f0n, Ask an Expert

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For a sample of n subjects, the relative frequencies are f₀/n = .2, f₁/n = .4, f₂/n = .2, f₃/n = .15, and f₄/n = .05. The sample mean is 1.45. Using your answer to given Exercise, verify that the sample variance is 1.25.

Exercise

Referring to the description of the population variance, σ², devise a method of estimating σ² based on the frequencies, f_x.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92208215

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