Question

To find the equation of a regression line, û = ax + b, you need these formulas:
a=r sy/sx
b=y - ax
A regression line has a slope of 4.404. If the mean of the x-coordinates of the
data points is 8.891, and the mean of the y-coordinates is 5.519, what is the
y value of the y-intercept of the line to three decimal places?

A. 33.637
B. -15.415
C. -33.637
D. 15.415​

Answer 1

Answer:

-33.637

Step-by-step explanation:

look at attached image