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24 employees were randomly divided into two groups of 12. Both groups participated in a 2-week training period, but the first group also spent one extra day working on motivational material. At the end of the training period, the employees completed a series of tests and their performance was evaluated. If the sum of the ranks (rank) of the group that spent time with the motivational material was 136, what is the corresponding p-value for the hypothesis that the motivational material has no effect? What conclusion can you draw based on the p-value?

24 employees were randomly divided into two groups of 12. Both groups participated in a 2-week training period, but the first group also spent one extra day working on motivational material. At the end of the training period, the employees completed a series of tests and their performance was evaluated. If the sum of the ranks (rank) of the group that spent time with the motivational material was 136, what is the corresponding p-value for the hypothesis that the motivational material has no effect? What conclusion can you draw based on the p-value?

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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24 employees were randomly divided into two groups of 12. Both groups participated in a 2-week training period, but the first group also spent one extra day working on motivational material. At the end of the training period, the employees completed a series of tests and their performance was evaluated. If the sum of the ranks (rank) of the group that spent time with the motivational material was 136, what is the corresponding p-value for the hypothesis that the motivational material has no effect? What conclusion can you draw based on the p-value?
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