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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
11.     The following data are from a simple random sample.
5Â Â Â Â 8Â Â Â Â 10Â Â Â Â 7Â Â Â Â 10Â Â Â Â 14
a.      What is the point estimate of the population mean?
b.      What is the point estimate of the population standard deviation?
12.     A survey question for a sample of 150 individuals yielded 75 Yes responses, 55 No responses, and 20 No Opinions.
a.      What is the point estimate of the proportion in the population who respond Yes?
b.      What is the point estimate of the proportion in the population who respond No?
13.     A simple random sample of 5 months of sales data provided the following information:
Month:Â Â Â Â Â Â Â Â Â Â Â Â 1Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â 3Â Â Â Â Â Â 4Â Â Â Â Â Â 5
Units Sold:Â Â Â 94Â Â Â Â 100Â Â Â Â 85Â Â Â Â 94Â Â Â Â 92
a.     Develop a point estimate of the population mean number of units sold per month.
b.     Develop a point estimate of the population standard deviation.
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