Periodically, Merrill Lynch customers are asked to evaluate Merrill Lynch financial consultants and services (2000 Merrill Lynch...

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Periodically, Merrill Lynch customers are asked to evaluateMerrill Lynch financial consultants and services (2000 MerrillLynch Client Satisfaction Survey). Higher ratings on the clientsatisfaction survey indicate better service with 7 the maximumservice rating. Independent samples of service ratings for twofinancial consultants are summarized here. Consultant A has 10years of experience, whereas consultant B has 1 year of experience.Use = .05 and test to see whether the consultant with moreexperience has the higher population mean service rating.Consultant A n=16, x1=6.82, s1= 0.64 Consultant B= N2=10, X2=6.25,S2=0.75
Compute the value of the test statistic (to 2 decimals).

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3.9 Ratings (756 Votes)

2 Sample ttest for difference in meansLet be the population mean service rating for Consultant ALet be the population mean service rating for Consultant BGivenFor 682 s1 064 n1 16For 625 s2 075 n2 10Since s1s2 435 114 it liesbetween 05 See Answer

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