A sample of 35 paired observations generates the following results: d = 1.2 and sD = 3.8.

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A sample of 35 paired observations generates the following results: d̅ = 1.2 and sD = 3.8.

a. Specify the appropriate hypotheses to test if the mean difference is greater than zero.

b. Compute the value of the test statistic and approximate the p-value.

c. At the 5% significance level, can you conclude that the mean difference is greater than zero? Explain.

d. Repeat the hypothesis test using the critical value approach.

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Essentials Of Business Statistics Communicating With Numbers

ISBN: 9780078020544

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Authors: Sanjiv Jaggia, Alison Kelly

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Question Posted: Jan 28, 2015 08:59 AM

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A sample of 35 paired observations generates the following results: d = 1.2 and sD = 3.8.

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a H 0 D 0 H A D 0 b With df n1 351 34 t ...View the full answer

Essentials Of Business Statistics Communicating With Numbers

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