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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Bubblyparabola Bubblyparabola
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A year ago

Consider the following hypotheses test.

Ho:  μ≥ 80
Ha:  μ< 80


A sample of 121 provided a sample mean of 77.3.  The population standard deviation is known to be 16.5.

a.

Compute the value of the test statistic.

b.

Determine the p-value; and at 93.7% confidence, test the above hypotheses.

c.

Using the critical value approach at 93.7% confidence, test the hypotheses.

Textbook 
Essentials of Statistics for Business and Economics

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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ryan_navarro5ryan_navarro5
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A year ago
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Bubblyparabola Author
wrote...

A year ago
Smart ... Thanks!
carston
wrote...

Yesterday
Thanks
logbi
wrote...

2 hours ago
Good timing, thanks!
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