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# Statistics - Hypothesis Testing

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Heather Carielli is a former student who earned a master degree at the Univeristy of Arkansas. When she randomly selected 16 new text books in the college book store she found that they had prices with a mean of \$70.41 and a standard deviation of \$19.70. Is there sufficient evidence to warrant rejection of a claim in the college catalog that the mean price of the textbook at the college is less than \$75.00? use .05 significance level. For this problem what is the value of the text statistic?

https://brainmass.com/statistics/hypothesis-testing/statistics-hypothesis-testing-master-degrees-196801

#### Solution Preview

SE = s/sqrt n = 19.70/sqrt 16 = 4.925

t = (x-bar - mu)/SE

t = (70.41 - ...

#### Solution Summary

The sufficient evidence to warrant rejection of a claim for hypothesis testing is determined. Neat and step-wise solutions are provided.

\$2.19