a Calculate the test statistic when x 145, s 50, and n 100 Use a 5 significance level H0 150 H1 150 b Repeat part (a) with x 140 c Repeat part (a) with x 135 d What happens to the t statistic when the sample mean decreases ...

Rejection region a pvalue 1599 There is not enough evidence to infer tha ...

a. Calculate the test statistic when x = 145, s = 50, and n = 100. Use

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a. Calculate the test statistic when x̄ = 145, s = 50, and n = 100. Use a 5% significance level.

H0: µ = 150

H1: µ < 150

b. Repeat part (a) with x̄ = 140.

c. Repeat part (a) with x̄ = 135.

d. What happens to the t-statistic when the sample mean decreases?

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Statistics For Management And Economics Abbreviated

ISBN: 9781285869643

10th Edition

Authors: Gerald Keller

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Question Posted: Feb 03, 2015 09:17 AM

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a. Calculate the test statistic when x = 145, s = 50, and n = 100. Use

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Statistics For Management And Economics Abbreviated

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