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Devise a method for computing the sample variance

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Reference no: EM131716209

Question: For a sample of n participants, 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 Exercise 18, verify that the sample variance is 1.25

Exercise: Devise a method for computing the sample variance based on the frequencies, fx.

Reference no: EM131716209

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