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 QuestionsThe 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 ...
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