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QUESTIÓN 8 31bb: Report the p-value of the test (use 3 decim pur answer) int: See L-22 Lecture and Pdf Presentation: Exercise 8.32b)

QUESTIÓN 8 31bb: Report the p-value of the test (use 3 decim pur answer) int: See L-22 Lecture and Pdf Presentation: Exercise 8.32b)

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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QUESTION 8 8.31bb: Report the p-value of the test (use 3 decimals in your answer) Hint: See L-22 Lecture and Pdf Presentation: p 7-8 (Exercise 8.32b)
Transcribed Image Text:QUESTION 8 8.31bb: Report the p-value of the test (use 3 decimals in your answer) Hint: See L-22 Lecture and Pdf Presentation: p 7-8 (Exercise 8.32b)
H.R. 8.31 Salary disputes and their eventual resolutions often leave both employers and employees embittered by the entire ordeal. To assess employee reactions to a recently devised salary and fringe benefits plan, the personnel department obtained random samples of 15 employees from each of three divisions in the company: manufacturing, marketing, and research. The personnel staff asked each employee sampled to respond (in confidence) to a series of ques- tions. Several employees refused to cooperate, as reflected in the unequal sample sizes. The data are given here: Manufacturing 18.79 22.46 31.99 24.74 29.52 20.25 31.64 28.66 27.97 28.19 20.22 29.18 Marketing 27.63 31.22 35.33 31.06 36.50 29.92 33.18 37.03 35.22 37.89 23.01 37.81 33.41 29.361 Research 26.64 28.90 32.05 26.54 27.12 35.78 26.28 31.90 25.70 25.44 33.41 The data given above are the average responses from the employees, with larger scores reflecting a higher degree of satisfaction with management. a. Write a model for this situation. Make sure to identify all the terms in your model. b. Based on the summary of the scored responses, is there significant evidence of a difference among the three divisions with respect to their levels of satisfaction with management?
Transcribed Image Text:H.R. 8.31 Salary disputes and their eventual resolutions often leave both employers and employees embittered by the entire ordeal. To assess employee reactions to a recently devised salary and fringe benefits plan, the personnel department obtained random samples of 15 employees from each of three divisions in the company: manufacturing, marketing, and research. The personnel staff asked each employee sampled to respond (in confidence) to a series of ques- tions. Several employees refused to cooperate, as reflected in the unequal sample sizes. The data are given here: Manufacturing 18.79 22.46 31.99 24.74 29.52 20.25 31.64 28.66 27.97 28.19 20.22 29.18 Marketing 27.63 31.22 35.33 31.06 36.50 29.92 33.18 37.03 35.22 37.89 23.01 37.81 33.41 29.361 Research 26.64 28.90 32.05 26.54 27.12 35.78 26.28 31.90 25.70 25.44 33.41 The data given above are the average responses from the employees, with larger scores reflecting a higher degree of satisfaction with management. a. Write a model for this situation. Make sure to identify all the terms in your model. b. Based on the summary of the scored responses, is there significant evidence of a difference among the three divisions with respect to their levels of satisfaction with management?
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