Is the Type of High School a Person Went To

Multiple Choice

Is the type of high school a person went to, public or private, a significant factor in predicting that person's future college grade point average (GPA) ? A researcher gathers data on the type of high school and college GPA for 569 college seniors. These measurements are values of

A) quantitative variables.
B) categorical variables.
C) quantitative (SAT) and categorical (type of high school) variables.
D) invalid variables.