+ Student Portal | | X 5 BUS-352 Topic 7 x Course Hero X C Describe The Imp X SPSS Software | | X (52,436 unread) X @ paraphrasing-to( X MindTap - Ceng: X + X -> CA https:/g.cengage.com/staticb/ui/evo/index.html?deploymentld=5996521885001503578683889386&elSBN=97803571315968... A Q G Word T Download and Save... Course Materials DL with TubeOffline Other favorites Nathaniel v CENGAGE |MINDTAP Q Search this course ? My Home Chapter 12 Assignment X Questions Exercise 12.13 (Test of Independence) Question 5 of 10 Courses 3. Hint(s) Check My Work Catalog and Study Tools 4 5 The Wall Street Journal Corporate Perceptions Study surveys readers and asks how each rats the quality of management and the reputation of the company for over 250 Rental Options worldwide corporations. Both the quality of management and the reputation of the company were rated on an excellent, good, and fair categorical scale. Assume the sample 6 College Success Tips data for 200 respondents below applies to this study. 7. Career Success Tips Excel File: data12-13.xlsx 8. A-Z ? Help 9 Reputation of Company Quality of Management Excellent Good Fair 10. Give Feedback Excellent 40 25 5 Ofice Good 35 35 10 Fair 25 10 15 a. Use a = 0.05 level of significance and test for independence of the quality of management and the reputation of the company. Compute the value of the X" test statistic (to 2 decimals). Do not round intermediate calculations. Use Table 3 of Appendix B to find the p-value. The p-value is less than 0.005 What is your conclusion? Conclude that the rating for the quality of management is |not independent of the rating for the reputation of the company. b. If there is a dependence or association between the two ratings, discuss and use probabilities to justify your answer. The highest probabilities are that the two variables will |have the same ratings and associated V O A+ "Hide Feedback 82.F W Sunny O 8:23 AM 5/11/2022+ Student Portal | | X 5 BUS-352 Topic 7 X Homework Help X C Describe The Imp X 0 SPSS Software | | X (52,436 unread) X @ paraphrasing-to( X MindTap - Ceng X + X -> CA https:/g.cengage.com/staticb/ui/evo/index.html?deploymentld=5996521885001503578683889386&elSBN=9780357131596&... A Q G Word T Download and Save. ) Course Materials DL with TubeOffline Other favorites Nathaniel v CENGAGE |MINDTAP Q Search this course ? My Home Chapter 12 Assignment X 1. Hint(s) Check My Work Courses 2. Catalog and Study Tools 3 The following sample data represent the number of late and on time flights for the Delta, United and US Airways. 4. Excel File: data12-19.xlsx Rental Options 5 Airline College Success Tips Flight Delta United US Airways 6. Late 39 51 56 Career Success Tips 7. On Time 261 249 344 A-Z ? Help 8. a. Formulate the hypotheses for a test that will determine whether the population proportion of late flights is the same for all three airlines. Give Feedback Ho : All population proportions are equal 10. Ha : Not all population proportions are equal b. Conduct the hypothesis test with a 0.05 level of significance. What is the p-value? Use Table 3 of Appendix B. The p-value is greater than 0.10 V V What is your conclusion? Unable to reject the null hypothesis that the population proportions are same V U c. Compute the sample proportion of late flights for each airline. P1 = * (to 2 decimals) P2 = * (to 2 decimals) P3 = (to 2 decimals) What is the overall proportion of late flights for the three airlines? Round your answer to three decimal places. A+ The overall proportion of late flights for the three airlines is 82.F W 8:23 AM Sunny O 5/11/2022