Categorical vs Quantitative Variables

Front

What is a categorical variable?

Back

A categorical variable is a type of variable that can take on one of a limited, and usually fixed, number of possible values, assigning each individual or other unit of observation to a particular group or nominal category on the basis of some qualitative property.

Front

What is a quantitative variable?

Back

A quantitative variable is a type of variable that can be measured numerically and can be used in mathematical calculations. It represents a measurable quantity.

Front

Give an example of a categorical variable.

Back

An example of a categorical variable is 'favorite color' with categories such as red, blue, green.

Front

Give an example of a quantitative variable.

Back

An example of a quantitative variable is 'height in centimeters' which can take on a range of numerical values.

Front

What type of data is represented by the number of siblings a person has?

Back

Quantitative data.

Front

What type of data is represented by a person's favorite food?

Back

Categorical data.

Front

Which type of graph is best for displaying categorical data?

Back

Bar graph.

Front

Which type of graph is best for displaying quantitative data?

Back

Histogram.

Front

What is the purpose of a box plot?

Back

A box plot is used to display the distribution of a dataset based on a five-number summary: minimum, first quartile, median, third quartile, and maximum.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data represents numerical values that can be measured.