54. a - of total potato chips sales that are of the store...

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54. Consider a large chain of supermarkets that sell their own brand of potato chips in addition to many other name brands. Management would like to know whether the type of display used for the store brand has any effect on sales. Because there are four types of displays being considered, management decides to choose 24 similar stores to serve as experimental units. A random six of these are instructed to use display type 1, another random six are instructed to use display type 2, a third random six are instructed to use display type 3, and the final six stores are instructed to use display type 4. For a period of 1 month, each store keeps track of the fraction
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Unformatted text preview: of total potato chips sales that are of the store brand. The data for the 24 stores are shown Below Note that one of the stores using display 3 has a blank cell. This store did not follow instructions properly, so its observation is disregarded. a. Why do you think each store keeps track of the fraction of total potato chips sales that are of the store brand instead of the total amount of sales of the store brand potato chips Comparing Four Different Types of Displays in Selling a Brand of Potato Chips Display_1 Display_2 Display_3 Display_4 0.26 0.28 0.35 0.15 0.21 0.35 0.37 0.19 0.32 0.19 0.26 0.21 0.14 0.27 0.23 0.20 0.21 0.23 0.31 0.25 0.29 0.32 0.16...
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