Introduction to Probability and Statistics
Introduction to Probability and Statistics
14th Edition
ISBN: 9781133103752
Author: Mendenhall, William
Publisher: Cengage Learning
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Chapter 14, Problem 14.50SE

a.

To determine

To find: Whether the sufficient evidences are provided by the data set to show that approval or disapproval of management’s decision is dependent on whether workers participate in decision making at 5% level of significance.

b.

To determine

To find: The above mentioned hypothesis by using the z -test and explain the reason of using the one tailed test in the problem.

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