Does the accuracy of the model seem to be different when coupons are used or​ not? When advertising is used or​ not? Choose the correct answer.
A.
The differences with coupons or advertising are much​ larger, indicating that these models are not as accurate.
B.
The differences without coupons or advertising are much​ larger, indicating that these models are not as accurate.
C.
The differences without coupons or advertising are much​ larger, indicating that the accuracy of the models is not influenced by the presence or absence of coupons or advertising.
D.
The differences with coupons or without advertising are much​ larger, indicating that these models are not as accurate.
E.
The differences with coupons or advertising are much​ larger, indicating that the accuracy of the models is not influenced by the presence or absence of coupons or advertising.
F.
There is no significant difference in the accuracy of the models with and without coupons or advertising.