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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
4. Interviewing Mistakes An Accountemps survey of 150 executives showed that 44% of them say that “little or no knowledge of the company” is the most common mistake made by candidates during job interviews (based on data from USA Today). Use a
0.05 significance level to test the claim that less than half of all executives identify that error as being the most common job interviewing error.
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Weights of Quarters If we refer to the weights (in grams) of quarters listed in Data Set 29 in Appendix B, we find 50 weights with a mean of 5.622 g and a standard de- viation of 0.068 g. The U.S. Department of the Treasury claims that the procedure it uses to mint quarters yields a mean weight of 5.670 g. Use a 0.01 significance level to test the claim that the mean weight of quarters in circulation is 5.670 g. If the claim is rejected, what is a possible explanation for the discrepancy?
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