I a Variable Whose Possible Outcomes Are Coded as a "1

Multiple Choice

i. A variable whose possible outcomes are coded as a "1" or a "0" is called a dummy variable.
ii. A dummy variable is added to the regression equation to control for error.
Iii) If the null hypothesis ?4 = 0 is not rejected, then the independent variable X4 has no effect in predicting the dependent variable.

A) (i) , (ii) and (iii) are all correct statements
B) (i) and (ii) are correct statements, but not (iii) .
C) (i) and (iii) are correct statements but not (ii) .
D) (ii) and (iii) are correct statements but not (i) .
E) All statements are false