ST3.1 Data Description and Analysis. Doug Ross, a staff research assistant with Market Research Associates, Ltd., has conducted a survey of households in the affluent Denver suburb of Genesee, Colorado. The focus of Ross's survey is to gain information on the buying habits of potential customers for a local new car dealership. Among the data collected by Ross is the following information on number of cars per household and household disposable income for a sample of n = 15 households:
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