In: Statistics and Probability
Periodically, Merrill Lynch customers are asked to evaluate
Merrill Lynch financial consultants and services (2000 Merrill
Lynch Client Satisfaction Survey). 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 = .05 and test to see whether the consultant with
more experience has the higher population mean service
rating.
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