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 finandal 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. Round degrees of freedom to previous whole number. Excel File: data10-17, xlsx a. State the null and alternative hypotheses. H0:12 Ha:12