As part of the advertising campaign, a car dealership runs one or more television commercials
during
the weekend preceding the sale. Data from a sample of previous sales is shown below:
Number of TV
Ads
Number of Cars
Sold
6
63
12
115
7
100
12
120
10
10
16
16
110
150
44
14
140
Manually compute the regression equation. What is Σx?
A.77
B.55
C.62
D.84
E. None of the above