In the Symbol ß_Y1.23, the First Primary Subscript

Multiple Choice

In the symbol ß_Y1.23, the first primary subscript

A) is Y, which identifies the predictor variable.
B) is 1, which identifies the predictor variable, of which this ß-value is the coefficient.
C) is 2, which indicates another predictor variable in the regression equation.
D) is 3, which indicates another predictor variable in the regression equation.
E) is Y, which identifies the criterion variable.