Given a Model Where the Variables Are on a Different

Multiple Choice

Given a model where the variables are on a different scale, in order to make them comparable we need to:

A) Standardize the model by dividing the difference of the variable from its average by its standard deviation.
B) Don't need to do anything and can run the model in its unaltered form.
C) Standardize the model by taking the log/ln of each variable.
D) Standardize the model by dividing the coefficient of each variable by its standard deviation.