Question

Slope of a linear regression line is 1.5, and when x is 10 y takes the value of 8. determine the intercept of the regression line.

Answer 1

x=10

y=8

m=1.5

mx+c=y

put the values

in this way

1.5*m+10=8

1.5*m=8-10

1.5*m=-2

m=-2/1.5