






a) Yes (in fact, negative, linear association)
b) y^=9.3898+(0.0720)*x
c) a is price of a magazine with zero percent of the space containing ads.
b is change in the average price of the magazine per one percent increase in space for containing ads.
d)
errors are indicated by bold black lines
e) Predicted price=5.79
f) Predicted price=2.41
The regression model is based on data for magazines with ad space ranging from 28% to 70%.
For any query in above, comment.
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