4) Suppose that there are two products under purchase consideration. Both products have similar other characteristics,...

4) Suppose that there are two products under purchase consideration. Both products have similar other characteristics, but we are not sure about their respective warm-up variances. Are they equal or not? A sample of 64 items from product 1, yielded a variance of 16, while a sample of 36 items from product 2, yielded a variance of 12. a) Test this claim at both α = 0.05 and α = 0.01? b) Construct 95% and 99% confidence Intervals on the appropriate population parameter. c) Are the results in (a) and (b) the same? Why or why not? BE SEPCIFIC!

Expert Solution

c)

As we seen that in part (a) we failed to reject H0 that is both variances are equal while in part (b) we have seen that confidence interval contains 1 that means that we can't reject H0 here also so both gives same results

milcah answered 4 days ago

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