Answer: If X1, . . . , Xn is a sample from a normal

Chapter , Problem 50

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QUESTION:

If X1, . . . , Xn is a sample from a normal population with variance 2 x , and Y1, . . . , Yn is an independent sample from normal population with variance 2 y , develop a significance level test of H0 : 2 x < 2 y versus H1 : 2 x > 2 y

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QUESTION:

If X1, . . . , Xn is a sample from a normal population with variance 2 x , and Y1, . . . , Yn is an independent sample from normal population with variance 2 y , develop a significance level test of H0 : 2 x < 2 y versus H1 : 2 x > 2 y

ANSWER:

Step 1 of 3

Define hypothesis

Step  2 of 3

Assume that the null hypothesis is true, i.e, suppose that .

Under that assumption, we k

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