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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
 1. Favorite Shopping Day A storeowner wishes to see if people have a favorite day of the week to shop.
A sample of 400 people is selected, and each is asked his or her preference. The data are shown. At a = 0.05, test the claim that shoppers have no preference. Give one example of how retail merchants would be able to use the numbers in this study.
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Source: Based on information from the International Mass Retail Association.
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 2. Distribution of Colors of M&M’s According to the manufacturer, M&M’s are produced and distributed
in the following proportions: 13% brown, 13% red, 14%
yellow, 16% green, 20% orange, and 24% blue. A randomly selected 1.69-ounce bag was opened and it was found to contain the following: 9 brown, 10 red, 11 yellow, 16 green, 5 orange, and 4 blue M&M’s.
Based on this sample, is there sufficient evidence to conclude that the proportions differ from those stated by the candy company? Use a = 0.05.
Source: Mars, Inc.
3. Tire Labeling The federal government has proposed labeling tires by fuel efficiency to save fuel and cut emissions. A survey was taken to see who would use these labels. At a = 0.10, is the gender of the individual related to whether or not a person would use these labels? The data from a sample are shown here.Gender Yes               No          Undecided
Men                  114            30                     6
Women            136            16                     8
Source: USA TODAY.
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