2. 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 of experience, whereas consultant B has 1 year of experience. Use and test to see whether the consultant with more experience has the higher population mean service rating. Consultant A n =16 6.82 Consultant B n 10 $1 .64 T. 6.25 $2.75 a) State the null and alternative hypotheses. b) Compute the value of the test statistic, using a degrees of freedom calculated to 16.9. c) What is the p-value? d) What is your conclusion?
2. 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 of experience, whereas consultant B has 1 year of experience. Use and test to see whether the consultant with more experience has the higher population mean service rating. Consultant A n =16 6.82 Consultant B n 10 $1 .64 T. 6.25 $2.75 a) State the null and alternative hypotheses. b) Compute the value of the test statistic, using a degrees of freedom calculated to 16.9. c) What is the p-value? d) What is your conclusion?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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