The Age, Weight, Imbiber Status (Drinker or Nondrinker), Level of Education

Multiple Choice

The age, weight, imbiber status (drinker or nondrinker) , level of education (high school graduate or not,) and earned income of a simple random sample of 1,463 people is measured. The number of variables measured is:

A) 1463-the size of the sample.
B) six-age, weight, imbiber status, level of education, income, and number of high school graduates.
C) five-age, weight, imbiber status, level of education, and income.
D) three-age, weight, and income. Imbiber status and level of education are not variables because they don't have units such as years or pounds.