The age in years was recorded for a sample of books in a college library. The following

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The age in years was recorded for a sample of books in a college library. The following display from a TI-84 Plus calculator presents the results of a hypothesis test regarding the mean age of books in this library. image text in transcribed

a. What are the null and alternate hypotheses?

b. What is the value of the test statistic?

c. What is the P-value?

d. Do you reject H0 at the α = 0.05 level? State a conclusion.

e. Do you reject H0 at the α = 0.01 level? State a conclusion.

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 07, 2024 12:03 PM

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The age in years was recorded for a sample of books in a college library. The following

Question:

H*45 Z-Test z=3.094063348 P=.0019744896 x=48.78 n=67

Step by Step Answer:

Elementary Statistics

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