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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 261 324 309 297 549 249 a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. Ho: H-Select your answer. H₂H-Select your answer. What is the p-value? Current Year Previous Year 432 591 603 570 633 312 513 708 585 0 (to 3 decimals) 480 552 552 255 267 480 693 540 t-value Degrees of freedom p-value is - Select your answer. Using a 0.05 level of significance, what is your conclusion? 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? (to 2 decimals) Current Year $ (to 2 decimals) Previous Year c. What is the percentage change in the airfare for the one-year 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 261 324 309 297 549 249 a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. Ho: H-Select your answer. H₂H-Select your answer. What is the p-value? Current Year Previous Year 432 591 603 570 633 312 513 708 585 0 (to 3 decimals) 480 552 552 255 267 480 693 540 t-value Degrees of freedom p-value is - Select your answer. Using a 0.05 level of significance, what is your conclusion? 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? (to 2 decimals) Current Year $ (to 2 decimals) Previous Year c. What is the percentage change in the airfare for the one-year period? % (to 2 decimals)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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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 591 432 603 570 633 312 513 480 552 552 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 - 0 H₂H-Select your answer o What is the p-value? - Current Year $ Previous Year $ 708 585 (to 3 decimals) t-value Degrees of freedom P-value is - Select your answer Using a 0.05 level of significance, what is your conclusion? We-Select your answer b. What is the sample mean domestic airfare for business travel for each year? (to 2 decimals) (to 2 decimals) Current Year Previous Year 261 324 309 297 549 249 c. What is the percentage change in the airfare for the one-year period? % (to 2 decimals) 444 that there has been a significance increase in business travel airfares over the one-year period 255 267 480 693 540
Transcribed Image Text: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 591 432 603 570 633 312 513 480 552 552 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 - 0 H₂H-Select your answer o What is the p-value? - Current Year $ Previous Year $ 708 585 (to 3 decimals) t-value Degrees of freedom P-value is - Select your answer Using a 0.05 level of significance, what is your conclusion? We-Select your answer b. What is the sample mean domestic airfare for business travel for each year? (to 2 decimals) (to 2 decimals) Current Year Previous Year 261 324 309 297 549 249 c. What is the percentage change in the airfare for the one-year period? % (to 2 decimals) 444 that there has been a significance increase in business travel airfares over the one-year period 255 267 480 693 540
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