# Question

Show that the hypothesis test completed as Example 9.13 was unnecessary because the confidence interval had already been completed in Example 9.8.

## Answer to relevant Questions

The following computer output was used to complete a hypothesis test. a. State the null and alternative hypotheses. b. If the test is completed using a = 0.05 what decision and conclusion are reached? c. Verify the ...Find: a. x2(10, 0.01) b. x2(12, 0.025) c. x2(10, 0.95) d. x2(22, 0.995) Use a computer or calculator to find the area (a) to the left, and (b) to the right of x2 = 20.2 with df = 15 Determine the critical region and critical value(s) that would be used to test the following using the classical approach: Using the computer output in Exercise 9.141, determine the values of the following terms: a. Hypothesized value of population standard deviation b. Sample standard deviation c. Degrees of freedom—how were they ...Post your question

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