1-1. For the following variables, determine whether the data are best characterized as categorical (nominal or ordinal) or numerical (continuous or discrete).

(a) X: red, white, blue

(b) X: poor, fair, good, excellent

(c) X: below average, average, above average

(d) X: African–American, Caucasian, Hispanic, Native American, Other

(e) X: birth weight (in ounces)

(f) X: private, private first class, . . ., four star general (g) X: monthly motor vehicle accidents in Boston, MA (h) X: number of visits to the dentist per year