Bivariate categorical variables

Question 1

What is a variable?

Answer 1

Any quantity or quality that can take on different values

Question 2

What are categorical variables?

Answer 2

Variables that represent characteristics described in words (names and labels)

Question 3

What are examples of categorical variables?

Answer 3

• Mode of transport
• Gender
• Eye colour

Question 4

What are nominal categorical variables?

Answer 4

Categorical variables with no natural order

Question 5

What are ordinal categorical variables?

Answer 5

Categorical variables with a clear ordering

Question 6

What is a response variable?

Answer 6

• A variable that responds to changes and measures the outcome of a study
• Also called dependant variable

Question 7

What is an explanatory variable?

Answer 7

• A factor that influences or explains the response variable
• Also called independent variable