For the data in Exercise 1, a) Test the null hypothesis at = 0.05 using the

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For the data in Exercise 1,

a) Test the null hypothesis at α = 0.05 using the pooled t-test. (Show the t-statistic, P-value, and conclusion.)

b) Find a 95% confidence interval using the pooled degrees of freedom.

c) Are your answers different from what you previously found in Exercise 9? Explain briefly why or why not.

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Business Statistics

ISBN: 9780321925831

3rd Edition

Authors: Norean Sharpe, Richard Veaux, Paul Velleman

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Question Posted: May 15, 2015 03:48 AM

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For the data in Exercise 1, a) Test the null hypothesis at = 0.05 using the

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a The pooled tstatistic is The Pvalue is 00246 Conclusion Reject the null hypothesis there is suf...View the full answer

Business Statistics

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