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The following relationship holds between hypothesis tests and confidence intervals

The following relationship holds between hypothesis tests and confidence intervals for one-mean t-procedures: For a two-tailed hypothesis test at the significance level α, the null hypothesis H0: μ = μ0 will be rejected in favor of the alternative hypothesis Ha: μ = μ0 if and only if μ0 lies outside the (1 − α)-level confidence interval for μ.

In each case, illustrate the preceding relationship by obtaining the appropriate one-mean t-interval (Procedure 8.2 on page 328) and comparing the result to the conclusion of the hypothesis test in the specified exercise.

a. Exercise 9.101

b. Exercise 9.104

In each case, illustrate the preceding relationship by obtaining the appropriate one-mean t-interval (Procedure 8.2 on page 328) and comparing the result to the conclusion of the hypothesis test in the specified exercise.

a. Exercise 9.101

b. Exercise 9.104

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