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| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 2 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
1.  The value of the z-score in a hypothesis test is influ- enced by a variety of factors. Assuming that all other variables are held constant, explain how the value
of z is influenced by each of the following:
a.  An increase in the difference between the sample mean and the original population mean.
b.  An increase in the population standard deviation.
c.  An increase in the number of scores in the sample.
2.  Define the alpha level and the critical region, and explain how they are related.
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