Chapter 1, Problem 1CQ

Provide an example of a qualitative variable and an example of a quantitative variable.

To determine

Give examples for qualitative and quantitative variables.

Answer to Problem 1CQ

The variable “Last model of car sold by a particular car dealer” is qualitative.

The variable “number of points scored in a football game” is quantitative.

Explanation of Solution

Qualitative variables:

Qualitative variables are the variables where the individuals are classified based on characteristics or categories such as male, female, eye color and left handed or right handed.

Quantitative variables:

Quantitative variables basically represent numerical values of individuals such as income, age, height and weight. It conveys how much or how many of something is given.

Example for qualitative variable:

“Last model of car sold by a particular car dealer”.

Here, the given variable is qualitative because it represents the categories of car model sold by a particular car dealer.

Thus, the variable “Last model of car sold by a particular car dealer” is qualitative.

Example for quantitative variable:

“Number of points scored in a football game.”

Here, the variable “number of points scored in a football game” is quantitative because it tells how much or many points were scored in a football game. Also, the variable is expressed in terms of numbers and not in terms of categories.

Thus, the variable “number of points scored in a football game” is quantitative.