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2.48 A pie chart is the best choice because all categories are included and the percentage sums to 100%.
2.49 A bar chart, either horizontal or vertical, is the best choice for this data.
2.50 Brand Coke Mt. Dew Pepsi Total
Diet 6 2 4 12
Regular 6 8 7 21
Total 12 10 11 33
50% (6/12) of the Coke customers preferred Diet even though only 36% (12/33) of all the customers prefer Diet soda. Coke customers appear to have a higher percentage of customers who prefer diet soda than other brands.
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