Question

This data table includes several characteristics of 428 companies classified as being in the information industry in 2010. One column gives the total revenue of the company, in millions of dollars.
(a) Find the median, mean, and standard deviation of the total revenue of these companies. What units do these summary statistics share?
(b) Describe the shape of the histogram and boxplot. What does the White Space Rule have to say about the histogram?
(c) Do the data have any extreme outliers? Identify the company if there’s an extreme outlier.
(d) What do these graphs of the distribution of net sales tell you about this industry? Is the industry dominated by a few companies, or is there a level playing field with many comparable rivals?


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  • CreatedJuly 14, 2015
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