Homework Help is Here – Start Your Trial Now!
Math
Statistics
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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 14PPS
See similar textbooks
icon
Related questions
Question
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.
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:
9781305071742
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
SEE MORE TEXTBOOKS