Question: Consider the data and testing problem described in Example 9.4-1, and assume that the underlying populations are normal. (a) Test H0 : 2 1 =

Consider the data and testing problem described in Example 9.4-1, and assume that the underlying populations are normal.

(a) Test H0 : σ2 1 = σ2 2 versus Ha : σ2 1 ̸= σ2 2 using the F test procedure (9.4.4).

(b) Implement the F test procedure using R commands, and report the 95% CI for σ2 1 /σ2 2 .

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