The Global Business Travel Association reported the domestic airfare for business travel for the current year and the pr

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The Global Business Travel Association Reported The Domestic Airfare For Business Travel For The Current Year And The Pr 1 (43.47 KiB) Viewed 262 times

The Global Business Travel Association reported the domestic airfare for business travel for the current year and the previous year. Below is a sample of 12 flights with their domestic airfares shown for both years. Do not round intermediate calculations. Current Year Previous Year Current Year Previous Year 711 399 687 213 483 441 480 543 684 321 546 243 441 399 405 561 663 378 396 450 603 561 270 465 a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. Ho Hd - Select your answer - V 0 Ha Hd Select your answer - V 0 What is the p-value? t-value (to 3 decimals) Degrees of freedom p-value is - Select your answer - Using a 0.05 level of significance, what is your conclusion? We - we - Select your answer that there has been a significance increase in business travel airfares over the one-year period. b. What is the sample mean domestic airfare for business travel for each year? Current Year $ (to 2 decimals) Previous Year $ (to 2 decimals) c. What is the percentage change in the airfare for the one-year period? % (to 2 decimals)