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=97803571315968... A Q Gu Word T Download and Save... Course Materials DL with TubeOffline Other favorites Nathaniel v CENGAGE |MINDTAP Q Search this course ? Chapter 11 Assignment X My Home Courses Assignment: Chapter 11 Assignment Assignment Score: 66.33% Save Submit Assignment for Grading Catalog and Study Tools Question 2 of 10 Rental Options Questions Exercise 11.07 Algo (Inferences About a Population Variance) 1. College Success Tips Hint(s) Check My Work 2 Career Success Tips 3. In 2017, Americans spent a record-high $9.1 billion on Halloween-related purchases (the balance website). Sample data showing the amount, in dollars, 16 adults spent on a A-Z Halloween costume are as follows. ? Help 4. 13 71 20 61 5. 33 33 41 Ofice Give Feedback 35 6. 55 15 16 99 47 32 66 27 7. a. What is the estimate of the population mean amount adults spend on a Halloween costume (to 2 decimals)? 8. 9. b. What is the sample standard deviation (to 2 decimals)? 10. $ c. Provide a 95% confidence interval estimate of the population standard deviation for the amount adults spend on a Halloween costume (to 2 decimals). Use Table 11.1. $ SoS$ Hint(s) Check My Work A+ - Icon Key 77.F 10:19 AM Sunny 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 Rental Options Questions Exercise 11.19 (Inferences About Two Population Variances) Question 1 of 10 1 . College Success Tips Hint(s) Check My Work 2. Career Success Tips 3. The variance in a production process is an important measure of the quality of the process. A large variance often signals an opportunity for improvement in the process by A-Z finding ways to reduce the process variance. Jelly Belly Candy Company is testing two machines that use different technologies to fill three pound bags of jelly beans. The file ? Help 4. Bags contains a sample of data on the weights of bags (in pounds) filled by each machine. Conduct a statistical test to determine whether there is a significant difference 5. between the variances in the bag weights for the two machines. Use a 0.05 level of significance. What is your conclusion? Which machine, if either, provides the greater ofice Give Feedback opportunity for quality improvements? Click on the datafile logo to reference the data. 6. G 7. DATA file 8. C variance machine 1 = * (to 4 decimals) 9. variance machine 2 = * (to 4 decimals) 10. F = * (to 2 decimals) Reject the null hypothesis Machine 1 offers the best opportunity for process quality improvements v Hide Feedback Partially Correct A+ 77.F 10:20 AM Sunny 5/5/2022 3