Question: Table 2.6.4 is an excerpt from a salespersons database of customers. a. What is an elementary unit for this data set? b. What kind of

Table 2.6.4 is an excerpt from a salesperson€™s database of customers.
a. What is an elementary unit for this data set?
b. What kind of data set is this: univariate, bivariate, or multivariate?
c. Which of these variables are quantitative? Which are qualitative?
d. Which of these variables are nominal? Which are ordinal?
e. Are these time-series or cross-sectional data?

TABLE 2.6.4 Selected Customers and Purchases Level of Interest Last Year's Total in New Products Weak Moderate Very strong Weak Weak Very strong Moderate Weak Purchases $88,906 396,808 438,442 2,486 37,375 2,314 1,244,096 857,248 119,650 711,514 22,616 Geographical Region West South South Midwest West Northeast Midwest South Northeast West West ron Mode ra te Weak

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