Exhibit 2.81 on the next page shows a graph of the speed-of-service ratings for the survey of drugstore customers. Comment on how you would improve the graph (if at all).
Answer to relevant QuestionsPictographs are sometimes misleading. Visit a Statistics Canada website about pictographs: www.statcan.gc.ca/edu/power-pouvoir/ch9/picto-figuratifs/5214825-eng.htm. What is the problem with the pictograph for the purchasing ...The owner of a local franchise of a national coffee store chain hires a student to do some market research. The owner asks the student to record the selling prices of different sizes of coffee at all the coffee stores within ...The marketing department of a college wanted to know if it there was a difference in the proportions of students drawn from inside or outside the college catchment area by program. A random sample of students from business, ...Recall the drugstore survey mentioned at the beginning of the chapter. Sort the data on incomes into two groups, male and female customers. Use appropriate graphs to compare the incomes, and comment. The owner of a music store is wondering if he should target female customers in particular, because he believes they tend to spend more than male customers. However, he wants to check this belief. He asks the cashiers to ...
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