Identify the variables listed below as either quantitative (discrete or continuous) or categorical (nominal or ordinal):

a. Age

b. Gender

c. Heart Rate

d. Number of pets

e. Salary

f. Eye color

g. Metal Rankings

Quantitative: Age, heart rate, number of pets, salary

discrete: number of pets

continuous: Age, heart rate, salary

Categorical: Gender, eye color, metal rankings

Nominal: Gender, eye color

Ordinal: metal rankings

Explanation:

Quantitative are those variables which are for quantity or number with units for measurement.

Categorical are qualitative variable which can be categorized or grouped in different groups or it may be ranking scales