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 Do not 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. 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 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 Reject Ho. We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. (b) What is the sample mean domestic airfare (in dollars) for business travel for each year? current previous $ (c) What is the percentage change in mean airfare for the one-year period? (Round your answer to one decimal place.) %
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 Do not 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. 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 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 Reject Ho. We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. (b) What is the sample mean domestic airfare (in dollars) for business travel for each year? current previous $ (c) What is the percentage change in mean airfare for the one-year period? (Round your answer to one decimal place.) %
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 15PPS
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