Problem

A random sample of 41 observations from a normal population possessed a mean of and a sta...

A random sample of 41 observations from a normal population possessed a mean of and a standard deviation of s = 6.9.

a. Test H0: σ2 = 30 against Ha: σ2 > 30. Use α =.05.
b. Test H0: σ2 = 30 against Ha: σ2 ≠ 30. Use α =.05.

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Solutions For Problems in Chapter 6

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