Answered: The average hourly wage last year for…

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

The average hourly wage last year for members of the hospital clerical staff in a large city was $7.25. The standard deviation of the population was $0.85. This year a sample of 35 workers had an average hourly wage of $7.40. Test the claim that the average has not changed using a level of significance of 0:01. (Z-Test) What are the Null and the Alternate Hypothesis? What is the Critical Value need for this Hypothesis Test? What is the test value? What is the decision for this test? A) Accept the Null Hypothesis, Reject the Alternate Hypothesis. B) Reject the Null Hypothesis, Accept the Alternate Hypothesis C) Accept both the Null and the Alternate Hypothesis. D) Reject both the Null and Alternate Hypothesis. Is the claim supported by this Hypothesis Test? A) The average has changed. B) There is no claim. C) The claim is not supported by this Test. D) The claim that the average has not changed is supported by the Test.

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