Coding males as 1 and females as 0 in a data set illustrates the use of:
A) nominal variables
B) dummy variables
C) numerical variables
D) ordinal variables

Question

Quizplus · Accepted Answer

Dummy variables are used in statistical analysis when variables cannot be measured directly or when we need to incorporate categorical information into regression analysis. In this case, coding males as 1 and females as 0 creates a binary variable representing gender, which is a form of dummy variable.

Coding Males as 1 and Females as 0 in a Data