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 being 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 α=0.05 and test to see whether the consultant with more experience has the higher population mean service rating. Let customers of Consultant A be population 1. Consultant A Consultant B xbar 6.82 6.25 s 0.64 0.75 n 16 10 Compute the value of the test statistic.
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 being 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 α=0.05 and test to see whether the consultant with more experience has the higher population mean service rating. Let customers of Consultant A be population 1. Consultant A Consultant B xbar 6.82 6.25 s 0.64 0.75 n 16 10 Compute the value of the test statistic.
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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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 being 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 α=0.05 and test to see whether the consultant with more experience has the higher population mean service rating. Let customers of Consultant A be population 1.
|
Consultant A |
Consultant B |
|
|
xbar |
6.82 |
6.25 |
|
s |
0.64 |
0.75 |
|
n |
16 |
10 |
Compute the value of the test statistic.
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