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A travel association reported the domestic airfare (in dollars) 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. Current Previous Year Year 345 315 526 451 420 450 216 206 285 275 405 432 635 585 710 650 605 545 517 547 570 508 610 580 (a) Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. O "o: Hg * 0 H:H = 0 Hoi Hy 0 Calculate the test statistic. (Use current year airfare - previous year airfare. Round your answer to three decimal places.) Calculate the p-value. (Round your answer to four decimal places.) p-value = Using a 0.05 level of significance, what is your conclusion? O Reject Ho. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. O Do not reject H,. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period.

A travel association reported the domestic airfare (in dollars) 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. Current Previous Year Year 345 315 526 451 420 450 216 206 285 275 405 432 635 585 710 650 605 545 517 547 570 508 610 580 (a) Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. O "o: Hg * 0 H:H = 0 Hoi Hy 0 Calculate the test statistic. (Use current year airfare - previous year airfare. Round your answer to three decimal places.) Calculate the p-value. (Round your answer to four decimal places.) p-value = Using a 0.05 level of significance, what is your conclusion? O Reject Ho. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. O Do not reject H,. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period.

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
Section10.1: Measures Of Center
Problem 26PFA
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(b) What is the sample mean domestic airfare (in dollars) for business travel for each year? current $4 previous (c) What is the percentage change in mean airfare for the one-year period? (Round your answer to one decimal place.) %
Transcribed Image Text:(b) What is the sample mean domestic airfare (in dollars) for business travel for each year? current $4 previous (c) What is the percentage change in mean airfare for the one-year period? (Round your answer to one decimal place.) %
A travel association reported the domestic airfare (in dollars) 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. Current Previous Year Year 345 315 526 451 420 450 216 206 285 275 405 432 635 585 710 650 605 545 517 547 570 508 610 580 (a) Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. H: H = 0 o Ho: H < 0 H: = 0 o Fo: Ha = 0 H: H# 0 o Fo: Hg 20 o Ho: H so H: Hd> 0 Calculate the test statistic. (Use current year airfare - previous year airfare. Round your answer to three decimal places.) Calculate the p-value. (Round your answer to four decimal places.) p-value = Using a 0.05 level of significance, what is your conclusion? O Reject H.. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. O Do not reject H.. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. O Do not reject Hp. We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. O Reject H,. We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period.
Transcribed Image Text:A travel association reported the domestic airfare (in dollars) 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. Current Previous Year Year 345 315 526 451 420 450 216 206 285 275 405 432 635 585 710 650 605 545 517 547 570 508 610 580 (a) Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. H: H = 0 o Ho: H < 0 H: = 0 o Fo: Ha = 0 H: H# 0 o Fo: Hg 20 o Ho: H so H: Hd> 0 Calculate the test statistic. (Use current year airfare - previous year airfare. Round your answer to three decimal places.) Calculate the p-value. (Round your answer to four decimal places.) p-value = Using a 0.05 level of significance, what is your conclusion? O Reject H.. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. O Do not reject H.. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. O Do not reject Hp. We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. O Reject H,. We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period.
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