46. For the data in the Excel file Freshman College Data, a. use…
Question Answered step-by-step 46. For the data in the Excel file Freshman College Data, a. use… 46. For the data in the Excel file Freshman College Data,a. use ANOVA to determine whether significantdifferences exist in the mean retention rate for thedifferent colleges over the four-year period.b. use ANOVA to determine if significant differencesexist in the mean ACT scores among thedifferent colleges.c. use ANOVA to determine if significant differencesexist in the mean SAT scores among thedifferent colleges. 49. The following cross-tabulation shows the number ofpeople who rated a customer service representativeas friendly and polite based on whether the representativegreeted them first.a. Write the hypotheses for the chi-square test forindependence.b. Find the expected frequencies.c. Compute the chi-square statistic using a level ofsignificance of 0.01.d. Find the chi-square critical value and p-value anddraw a conclusion.Friendliness/PolitenessStaff Greeting No Yes Math Statistics and Probability BIS 633 Share QuestionEmailCopy link Comments (0)
