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 12flights with their domestic airfares shown for both years. Do not round intermediate calculations.Current Year Previous YearCurrent Year Previous Year702531339381273243621597663318540225624594591531582207540357255225525567a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period.Но : - н2- Select your answer -Ha : 41- µ2- Select your answer -What is the p-value?t-value(to 3 decimals)Degrees of freedomp-value is- Select your answer -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 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)

X: Current year air fares Y: Previous year air fares Given: nX=ny=n=12

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 702 531 339 381 273 243 621 597 663 318 540 225 624 594 591 531 582 207 540 357 255 225 525 567 a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. zy1 – 11 : 0H Select your answer - T1 – 11 : "H Select your answer - 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 - Select your answer - v 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)

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 702 531 339 381 273 243 621 597 663 318 540 225 624 594 591 531 582 207 540 357 255 225 525 567 a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. zy1 – 11 : 0H Select your answer - T1 – 11 : "H Select your answer - 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 - Select your answer - v 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)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 6E

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