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Department store gives in-service training to its salesmen which is followed by a test. It is considering whether it should terminate the service of any salesman who does not do well in the test. The following data gives the test scores and sales made by nine salesmen during a certain period. Test scores 14 19 24 26 21 22 15 20 19 Sales 31 36 48 37 50 45 33 41 39 Calculate the coefficient of correlation between the test scores and the sales. Does it indicate that the termination of services of low test scores is justified? Find also the probable error.

Department store gives in-service training to its salesmen which is followed by a test. It is considering whether it should terminate the service of any salesman who does not do well in the test. The following data gives the test scores and sales made by nine salesmen during a certain period. Test scores 14 19 24 26 21 22 15 20 19 Sales 31 36 48 37 50 45 33 41 39 Calculate the coefficient of correlation between the test scores and the sales. Does it indicate that the termination of services of low test scores is justified? Find also the probable error.

MATLAB: An Introduction with Applications
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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Department store gives in-service training to its salesmen which is followed by a test. It is considering whether it should terminate the service of any salesman who does not do well in the test. The following data gives the test scores and sales made by nine salesmen during a certain period. Test scores 14 19 24 21 15 26 22 20 19 Sales 31 36 48 37 50 45 33 41 39 Calculate the coefficient of correlation between the test scores and the sales. Does it indicate that the termination of services of low test scores is justified? Find also the probable error.
Transcribed Image Text:Department store gives in-service training to its salesmen which is followed by a test. It is considering whether it should terminate the service of any salesman who does not do well in the test. The following data gives the test scores and sales made by nine salesmen during a certain period. Test scores 14 19 24 21 15 26 22 20 19 Sales 31 36 48 37 50 45 33 41 39 Calculate the coefficient of correlation between the test scores and the sales. Does it indicate that the termination of services of low test scores is justified? Find also the probable error.
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