Question: Consider the information recorded in Table 2.6.6 for a selection of household upright vacuum cleaners. a. What is an elementary unit for this data set?

Consider the information recorded in Table 2.6.6 for a selection of household upright vacuum cleaners.
a. What is an elementary unit for this data set?
b. What kind of a data set is this: univariate, bivariate, or multivariate?
c. Which of these variables are quantitative? Which are qualitative?
d. For each qualitative variable in this data set (if any), determine if it is nominal or ordinal.
e. Is this cross-sectional or time-series data?

TABLE 2.6.6 Comparison of Upright Vacuum Cleaners Price Weight (Ibs) Quality Type $170 17 Good Hard-body Soft-body self propelled Soft-body Hard-body Soft-body 260 17 Fair 100 90 340 120 21 14 13 24 Good Good Excellent Good self-propelled Soft-body self-propelled 130 17 Fair

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