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cjr4808 cjr4808
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3 weeks ago

Consider the following hypothesis test:

Ho: μ 40
Ha: μ< 40

A sample of 49 provides a sample mean of 38 and a sample standard deviation of 7.

a.Determine the standard error of the mean.
b.Compute the value of the test statistic.
c.Determine the p-value; and at 95% confidence, test the above hypotheses.

Textbook 

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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cglotfeltycglotfelty
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3 weeks ago
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More solutions for this book are available here


a.1
b.t = -2
c.p-value is between .025 and .05; reject H0


1

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cjr4808 Author
wrote...

3 weeks ago
Smart ... Thanks!
wrote...

Yesterday
Good timing, thanks!
wrote...

2 hours ago
Brilliant
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