Variable types 2. Here is more practice in classifying variables as quantitative, ordinal, or categorical.

(a) White blood cells per deciliter of whole blood

(b) Leukemia rates in geographic regions (cases per 100,000 people)

(c) Presence of type II diabetes mellitus (yes or no)

(d) Body weight (kg)

(e) Low-density lipoprotein level (mg/dl)

(f) Grade in a course coded: A, B, C, D, or F

(g) Religious identity coded 1 = Protestant, 2 = Catholic, 3 =

Muslim, 4 = Jewish, 5 = Atheist, 6 = Buddhist, 7 = Hindu, 8 =

Other

(h) Blood cholesterol level classified as either 1 = hypercholesterolemic, 2 = borderline hypercholesterolemic, 3 = normocholesterolemic (i) Course credit (pass or fail)
(j) Ambient temperature (degrees Fahrenheit)
(k) Type of life insurance policy: 1 = none, 2 = term, 3 = endowment, 4 = straight life, 5 = other (l) Satisfaction: 1 = very satisfied, 2 = satisfied, 3 = neutral, 4 = unsatisfied, 5 = very unsatisfied (m) Movie review rating: 1 star, 1½ stars, 2 stars, 2½ stars, 3 stars, 3½ stars, 4 stars (n) Treatment group: 1 = active treatment, 2 = placebo