1. A labor union is testing whether a professional development program in a certain industry has been successful in raising the scores of new employees on a standardized test. The given table contains data for one company in the industry. The data shows the scores of the new employees who have undergone the professional development program (the treatment group) and the scores of those who have not (the control group). Control group 82 77 Treatment group 92 84 a. State the null hypothesis for the experiment. 82 88 78 90 72 95 89 84 70 68 88 85 90 85 92 80 87 79 85 94
1. A labor union is testing whether a professional development program in a certain industry has been successful in raising the scores of new employees on a standardized test. The given table contains data for one company in the industry. The data shows the scores of the new employees who have undergone the professional development program (the treatment group) and the scores of those who have not (the control group). Control group 82 77 Treatment group 92 84 a. State the null hypothesis for the experiment. 82 88 78 90 72 95 89 84 70 68 88 85 90 85 92 80 87 79 85 94
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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Transcribed Image Text:1. A labor union is testing whether a professional development program in a certain industry has been
successful in raising the scores of new employees on a standardized test. The given table contains
data for one company in the industry. The data shows the scores of the new employees who have
undergone the professional development program (the treatment group) and the scores of those who
have not (the control group).
78 90 72 80 87 70 68 88 85
95 89 84 79 85 94 90 85 92
82
77
82
Control group
Treatment group 92 84
88
a. State the null hypothesis for the experiment.
b. Compare the results for the control group and the treatment group. Do you think that the
researcher has enough evidence to reject the null hypothesis?
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