There doesn't exist such a thing.
What does exist are standardized variables, which are variables with mean = 0 and standard deviation = 1
Chat with our AI personalities
a standardizing variable is a variable that has a mean of zero and a standard deviation of one .
Every time the independent variables change, the dependent variables change.Dependent variables cannot change if the independent variables didn't change.
control variables: the things that are not changing.Independent variables: the things that you change.Dependent variables: the things that are changed due to the independent variable
both, variables can be anything
to quantify the qualitative variables.