Consider the data set in Table 2.6.2, which consists of observations on five production facilities (identified by

Question:

Consider the data set in Table 2.6.2, which consists of observations on five production facilities (identified by their group ID).
a. What is an elementary unit for this data set?
b. What kind of data set is this: univariate, bivariate, or multivariate?
c. Identify the qualitative variables, if any.
d. Is there an ordinal variable here? If so, please identify it.
e. Is this a time series, or are these cross-sectional data?