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Periodically, customers of a financial services company are asked to evaluate the company's financial consultants and services. Higher ratings on the client satisfaction survey indicate

Periodically, customers of a financial services company are asked to evaluate the company's 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 experience, whereas consultant B has 1 year of experience. Use

? = 0.05

and test to see whether the consultant with more experience has the higher population mean service rating.

Consultant AConsultant B

n1 = 16

n2 = 10

x1 = 6.81

x2 = 6.25

s1 = 0.68

s2 = 0.75

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{a} State the null and alternative hypotheses. {b} Compute the value of the test statistic. (Round your answer to three decimal places.) {c} What is the p-value? (Round your answer to four decimal places.) (d) What is your conclusion? Q Do not reject H0. There is insufcient evidence to conclude that the consultant with more experience has a higher population mean rating. Reject H0. There is sufcient evidence to conclude that the consultant with more experience has a higher population mean rating. 0 Reject H0. There is insufcient evidence to conclude that the consultant with more experience has a higher population mean rating

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