Question

Classify each of the following variables from the StudentSurvey data as either categorical or quantitative: Year in School Gender HigherSAT (which is higher – Math or Verbal?) SAT score GPA # of siblings Height Weight Exercise Hours of TV per week Pulse rate Award preference (Olympic Gold, Academy Award, or Nobel Prize?)

Answer 1

Categorical variables:

Years in School

Gender

Higher SAT

Award preference

Quantitative variables:

SAT score

GPA

# of siblings

Height

Weight

Exercise

Hours of TV per week

Pulse rate

Step-by-step explanation:

Variables are classified in statistics as either categorical or quantitative. A categorical variable uses category values and distributes the subjects into groups. On the other hand, a quantitative variable adopts numerical values and measures a numerical score for each case.

Years in School, for example, are Junior, Sophomore and Senior. Gender, for example, is either Female or Male. The answer to Higher SAT can be either Math or Verbal. The answer to Award preference might be either Olympic Gold, Academy Award, or Nobel Prize. These are all Categorical variables.

SAT scores, GPA, number of siblings, height, weight, exercise (if measured on hours per week, for example), hours of TV per week, and pulse rate, are all quantitative variables.