Selling Price and Amount Spent Advertising Were Entered into a Multiple

Multiple Choice

Selling price and amount spent advertising were entered into a multiple regression to determine what affects flat panel LCD TV sales. If the scatterplots of sales versus
Both selling price and amount spent on advertising are created, they are being used to
Determine whether

A) the nearly normal assumption is satisfied.
B) the randomization condition is satisfied.
C) the linearity condition is satisfied.
D) both A and B.
E) both A and C.