One characteristic of "paired variables" is
A) one is a negative value and the other is a positive value
B) both are positive values
C) they have the same number of observations
D) they have a variable number of observations

Question

Quizplus · Accepted Answer

Paired variables are two variables that are measured on the same subject or unit of observation with the same number of observations for each variable. Therefore, option C is the correct choice. Options A and B are not necessarily true for all paired variables, and option D is incorrect as paired variables have to have the same number of observations.

One Characteristic of "Paired Variables" Is