x

2 definitions
1

Definition 1

x

a letter used to symbolize a variable of interest. For example, in a regression equation, x may represent a particular predictor or independent variable.

x′

symbol for x prime.
2

Definition 2

x

a letter used to symbolize a variable of interest. For example, in a regression equation, x may represent a particular predictor or independent variable.

x′

symbol for x prime.