Last year, the U.S. mean hourly rate was $12.45. In April of this year, a sample of
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Question:
Last year, the U.S. mean hourly rate was $12.45. In April of this year, a sample of 50 workers showed an average hourly rate of $13.76 with a standard deviation of $3.01. Use a=05. Would you conclude hourly rates this year are higher than last year rates?
A: no, because p-value (.0017) is less than a=.05 (I used t)
B: no, because p-value (.0010) is less than a=.05 (I used z)
C: yes, because p-value (.0017) is less than a=.05 (I used t)
D: yes, because p-value (.0010) is less than a=.05 (I used z)
Related Book For
Essentials of Federal Taxation 2019
ISBN: 9781260190045
10th edition
Authors: Brian Spilker, Benjamin Ayers, John Robinson, Edmund Outslay, Ronald Worsham, John Barrick, Connie Weaver
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