What impact did the September 11 terrorist attack have on U. S. airline demand? An analysis was
Question:
a. Set up the null and alternative hypotheses needed to determine whether there was a reduction in mean airline passenger demand.
b. Below we present the MINITAB output for the paired differences test. Use the output and critical values to test the hypotheses at the .10, .05, and .01 levels of significance. Has the population mean airline demand been reduced?
c. Use the p-value to test the hypotheses at the .10, .05, and .01 levels of significance. How much evidence is there against the null hypothesis?
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Related Book For
Essentials Of Business Statistics
ISBN: 9780078020537
5th Edition
Authors: Bruce Bowerman, Richard Connell, Emily Murphree, Burdeane Or
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