17 Periodically Merrill Lynch Customers Are Asked To Evaluate Merrill Lynch Financial Consultants And Services Higher 1 (45.77 KiB) Viewed 26 times
17 Periodically Merrill Lynch Customers Are Asked To Evaluate Merrill Lynch Financial Consultants And Services Higher 2 (45.77 KiB) Viewed 26 times
17. Periodically, Merrill Lynch customers are asked to evaluate Merrill Lynch financial consultants and services. Higher ratings on the client satisfaction survey indicate better service, with 7 the maximum service rating. Independent samples of service ratings for two financial consultants are summarized here. Consultant A has 10 years of expe- rience, whereas consultant B has 1 year of experience. Use a = .05 and test to see whether the consultant with more experience has the higher population mean service rating. Consultant A Consultant B n = 16 x = 6.82 $, = .64 n2 = 10 X = 6.25 $2 = .75 a. State the null and alternative hypotheses. b. Compute the value of the test statistic. What is the p-value? d. What is your conclusion? c.
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