Please provide answers only, no explanation is necessary. Make sure answer go with question # and part (i.e. 1a, 1b, 1c, etc...). MAKE FORMAT EASY TO READ.

1.

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 528 582 489 498 297 369 573 309 408 312 525 405 657 729 252 591 633 558 282 231 561 633 663 390 a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the oneyear period. How0 Hado What is the p-value? t-value (to 3 decimals) Degrees of freedom p-value is - Select your answer - v Using a 0.05 level of significance, what is your conclusion? We - Select your answer - v that there has been a significance increase in business travel airfares over the oneyear 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 oneyear period? % (to 2 decimals) 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 528 582 489 498 297 369 573 309 408 312 525 405 657 729 252 591 633 558 282 231 561 633 663 390 a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the oneyear period. H0: u J - Select your answer - 3.0 30 What is S 2 t-value = (to 3 decimals) Degree 1 p-value is - Select your answer - v Using a 0.05 level of significance, what is your conclusion? We - Select your answer - v that there has been a significance increase in business travel airfares over the oneyear 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 oneyear period? % (to 2 decimals) 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 528 582 489 498 297 369 573 309 408 312 525 405 657 729 252 591 633 558 282 231 561 633 663 390 a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the oneyear period. Howo HadJo