2.28 The following table indicates the percentage of residential electricity consumption in the… 1 answer below »

2.28 The following table indicates the percentage of residential electricity consumption in the United States, organized by type of appliance in a recent year:
Type of Appliance Percentage (%) Air conditioning 18 Clothes dryers 5 Clothes washers/other 24 Computers 1 Cooking 2 Dishwashers 2 Freezers 2 Lighting 16 Refrigeration 9 Space heating 7 Water heating 8 TVs and set top boxes 6 Source: Data extracted from J. Mouawad, and K. Galbraith, “Plugged-in Age Feeds a Hunger for Electricity,” The New York Times, September 20, 2009, pp. 1, 28
a. Construct a bar chart, a pie chart, and a Pareto chart. b. Which graphical method do you think is best for portraying these data? c. What conclusions can you reach concerning residential electricity consumption in the United States?

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