Let Y 1 Y 2 , . . . , Y n1 , be a random sample
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Let Y1 Y2, . . . , Yn1, be a random sample of n1 observations from a normal distribution with mean μ1 and variance σ12. Let X1, X2, . . . , Xn2 be a random sample of n2 observations from a normal distribution with mean μ2 and variance σ22. Assuming the samples were independently selected, show that has an F distribution with v1 = (n1 - 1) numerator degrees of freedom and v2 = (n2 - 1) denominator degrees of freedom.
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Statistics For Engineering And The Sciences
ISBN: 9781498728850
6th Edition
Authors: William M. Mendenhall, Terry L. Sincich
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