Question: Data analysis: Individual variables. Table 11.3 gives data on the current fast-food market share, along with the number of franchises, number of company-owned stores, annual

Data analysis: Individual variables.

Table 11.3 gives data on the current fast-food market share, along with the number of franchises, number of company-owned stores, annual sales ($ million) from three years ago, and whether it is a burger restaurant.7 Market share is expressed in percents, based on current U.S. sales. FFOOD

(a) Make a table giving the mean, the standard deviation, and the five-number summary for each of these variables.

(b) Use stemplots or histograms to make graphical summaries of the five distributions.

(c) Describe the distributions. Are there any unusual observations?

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