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In a survey of 100 people who had recently purchased motorcycles, data on the following variables was recorded:

Gender of purchaser

Brand of motorcycle purchased

Number of previous motorcycles owned by purchaser Telephone area code of purchaser

Weight of motorcycle as equipped at purchase

a. Which of these variables are categorical?

b. Which of these variables are discrete numerical?

c. Which type of graphical display would be an appropri- ate choice for summarizing the gender data, a bar chart or a dotplot?

d. Which type of graphical display would be an appropri- ate choice for summarizing the weight data, a bar chart or a dotplot?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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