Question

In the special report “Mousetrap: The Most-Visited Shoe and Apparel E-tailers” (Footwear News, Vol. 58, No. 3, p. 18), we found the following data on the average time, in minutes, spent per user per month from January to June of one year for a sample of 15 shoe and apparel retail Web sites.
a. Obtain a normal probability plot of the given data
b. Use part (a) to identify any outliers
c. Use part (a) to assess the normality of the variable under consideration


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  • CreatedAugust 13, 2015
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