Question: Determine the critical value(s) and regions that would be used in testing each of the following null hypotheses using the classical approach: H0: 1 0

Determine the critical value(s) and regions that would be used in testing each of the following null hypotheses using the classical approach:

Determine the critical value(s) and regions that would be used

H0: 1 0 vs. Ha: 1 # 0, with n-18 and 0.05 H0: 1-0 vs. Ha: .> 0, with n-: 28 and 0.01 Ho: 1 0 vs. Ha: 1 < 0, with n-: 16 and -0.05 a. b.

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