The data accompanying this exercise show miles per gallon (mpg) for 25 cars. a. State the null

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The data accompanying this exercise show miles per gallon (mpg) for 25 cars.

a. State the null and the alternative hypotheses in order to test whether the variance differs from 62 mpg2.

b. Assuming that mpg is normally distributed, calculate the value of the test statistic.

c. Find the p-value.

d. Make a conclusion at α = 0.01.

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Business Statistics Communicating With Numbers

ISBN: 9781259957611

3rd Edition

Authors: Sanjiv Jaggia

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Question Posted: May 06, 2019 07:04 AM

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The data accompanying this exercise show miles per gallon (mpg) for 25 cars. a. State the null

Question:

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a H 0 2 62mpg 2 H A 2 62mpg 2 b We find s 2 1144267 Given df n 1 25 ...View the full answer

Business Statistics Communicating With Numbers

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