Question: Univariate Data Classifications A set of observations is obtained as indicated below. In each case, classify the resulting data set as categorical or numerical. If the data set is numerical, determine whether it is discrete or continuous.
a. The number of steps on apartment fire escapes.
b. The number of leaves on maple trees.
c. The reason several automobiles fail inspection.
d. The weight of fully loaded tractor trailers.
e. The area of several Nebraska farms.
f. The cellular calling plan selected by customers.