17 17. Periodically, Merrill Lynch customers are asked to evaluate Merrill Lynch financialconsultants and services. Higher ratings on the client satisfaction survey indicate betterservice, with 7 the maximum service rating. Independent samples of service ratingsfor 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 seewhether the consultant with more experience has the higher population mean servicerating.MzConsultant AConsultant B16n = 10X2=D6.25$2=.756.82S, = .64%3DState the null and alternative hypotheses.b. Compute the value of the test statistic.What is the p-value?d. What is your conclusion?a.с.

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Probability

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 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. of expe- Mz Consultant A Consultant B n=16 X = 6.82 S, =.64 10 6.25 %3D $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? с.

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 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. of expe- Mz Consultant A Consultant B n=16 X = 6.82 S, =.64 10 6.25 %3D $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? с.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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