What do we mean by centring?
A)The process of transforming a variable into deviations around a fixed point
B)Expressing an outcome variable as deviations from the mean of a predictor variable
C)Calculating the central point of a distribution
D)Multiplying a variable by the mean of a different variable

Question

Quizplus · Accepted Answer

Centring in statistical analysis typically refers to the process of transforming a variable by subtracting a constant (often the mean of that variable) from each value, resulting in a new variable whose mean is zero. This is done to create deviations around a fixed point, usually to simplify the interpretation of regression coefficients in models involving interaction terms.

What Do We Mean by Centring