and s2 2 = .4. a. Find s1x1 - x22. b. Sketch the approximate sampling distribution for

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and s2 2 = .4.

a. Find s1x1 - x22.

b. Sketch the approximate sampling distribution for 1x1 - x22, assuming 1m1 - m22 = 13.5.

c. Locate the observed value of 1x1 - x22 on the graph you drew in part

b. Does it appear that this value contradicts the null hypothesis H0: 1m1 - m22 = 13.5?

d. Use the z-table to determine the rejection region for the test of H0: 1m1 - m22 =

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Statistics For Business And Economics

ISBN: 9781292413396

14th Global Edition

Authors: James McClave, P. Benson, Terry Sincich

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Question Posted: Jul 20, 2024 12:01 AM

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and s2 2 = .4. a. Find s1x1 - x22. b. Sketch the approximate sampling distribution for

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