5.1

You may need to use the appropriate technology to answer this question. Periodically, customers of a nancial services company are asked to evaluate the company's nancial 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 experience, whereas consultant B has 1 year of experience. Use a: = 0.05 and test to see whet-her the consultant with more experience has the higher population mean service rating. Consultant A Consultant B n1 = 16 n2 = 10 x1 = 6.81 x2 = 6.29 51:0.67 52:0.75 (a) State the null and alternative hypotheses. O HO: #1 [12 > 0 Ha: 111 \"2 s 0 O HO: \"1 #2 s 0 Ha: .111 #2 = O Hunt1 112 s O Ha:-u1 [42 > O O HO: #1 p2 = 0 Ha: p1 [.12 z 0 O Hon;1 112 S 0 Ha: \"1 [42 = 0 (b) Compute the value of the test statistic. (Round your answer to three decimal places.) :1 (c) What is the p-value? (Round your answer to four decimal places.) (d) What is your conclusion? 0 Do not reject H0. There is insufcient evidence to conclude that the consultant with more experience has a higher population mean rating. 0 Do not Reject H0. There is sufcient evidence to conclude that the consultant with more experience has a higher population mean rating. 0 Reject HO. There is insufficient evidence to conclude that the consultant with more experience has a higher population mean rating. 0 Reject HO' There is sufficient evidence to conclude that the consultant with more experience has a higher population mean rating