Ten salespeople were surveyed, and the average number of client contacts per month, x, and the sales volume, y (in thousands), were recorded for each:
x 12 14 16 20 23 46 50 48 50 55
y 15 25 30 30 30 80 90 95 110 130
Refer to the following computer output and verify that the equation of the line of best fit is y=13.4 + 2.3x and that s? = 10.17 by calculating these values yourself.
The regression equation is y = -13.4 + 2.30 x
Predictor Coef
Constant -13.414
X 2.3028
S = 10.17