Graphs/Distributions

Question 1

What is the difference between categorical and quantitative variables?

Answer 1

A categorical variable places an individual into one of several groups or categories.

A quantitative variable takes numerical values for which arithmetic operations such as adding and averaging make sense.

Question 2

What does categorical distribution show?

Answer 2

Lists categories and gives either the count or the percent of individuals who fall in each category.

Question 3

What is a histogram?

Answer 3

A graph depicting bars whose area is proportional to the frequency of a variable and whose width is equal to the class interval.