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MindTap - Cengage Le X Course Hero X Hypothesis testing be x Q Rollin Smoke Las Vega X V Las Vegas Hotels, Sho X ) KATH by Cirque du Sol X Search Results | Cours X + X -> @ https:/g.cengage.com/staticb/ui/evo/index.html?deploymentld=5996521885001503578683889386&elSBN=9780357131596&... A Q Gu Word T Download and Save... Course Materials DL with TubeOffline Other favorites Nathaniel v CENGAGE |MINDTAP Q Search this course ? My Home Chapter 11 Assignment X Save Submit Assignment for Grading Courses Questions Exercise 11.17 Algo (Inferences About Two Population Variances) Question 9 of 10 Catalog and Study Tools 7. Hint(s) Check My Work Rental Options 8. O College Success Tips 9. In its 2016 Auto Reliability Survey, Consumer Reports asked subscribers to report their maintenance and repair costs. Most individuals are aware of the fact that the average annual repair cost for an automobile depends on the age of the automobile. A researcher is interested in finding out whether the variance of the annual repair costs also Career Success Tips 10. increases with the age of the automobile. A sample of 26 automobiles 4 years old showed a sample standard deviation for annual repair costs of $120 and a sample of 24 automobiles 2 years old showed a sample standard deviation for annual repair costs of $100. A-Z ? Help a. State the null and alternative versions of the research hypothesis that the variance in annual repair costs is larger for the older automobiles. Let 4 year old automobiles be Give Feedback represented by population 1 Ho : 0? less than or equal to Ha : 0 greater than b. At a 0.01 level of significance, what is your conclusion? Calculate the value of the test statistic (to 2 decimals). x The p-value is greater than 0.10 v. Use Table 4 of Appendix B. Do not conclude that 4 year old automobiles have a larger variance in annual repair costs compared to 2 year old automobiles. "Hide Feedback Partially Correct A+ [intel Chanly Mer TATarly 77.F Sunny O 10:14 AM 5/5/2022 3MindTap - Cengage LE X Homework Help - Q& x > Hypothesis testing be X Q Rollin Smoke Las Vega X https:/g.cengage.com/staticb/ui/evo/index.html?deploymentld=5996521885001503578683889386&elSBN=9780357131596&... A Q Gu Word T Download and Save... Course Materials ) DL with TubeOffline Other favorites Nathaniel v CENGAGE |MINDTAP Q Search this course ? My Home Chapter 11 Assignment X Assignment Score: 66.33% Courses Assignment: Chapter 11 Assignment Save Submit Assignment for Grading Catalog and Study Tools Questions Exercise 11.01 (Inferences About a Population Variance) Question 8 of 10 Rental Options 6. College Success Tips Hint(s) Check My Work 7. Career Success Tips 8 . O Find the following chi-square distribution values from Table 11.1 or Table 3 of Appendix B. (to 3 decimals) A-Z ? Help 9. a. Xo.05 with df = 5 10. Give Feedback b. Xo.025 with dif = 15 ofice C. Xo.975 with df = 20 d. Xo.or with df = 10 e. Xo.95 with df = 18 NJ Hint(s) Check My Work A+ - Icon Key 77.F 10:16 AM Sunny 5/5/2022 3
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