Question

A real estate agent made a scatter plot with homeowners' property taxes on the y-axis and the sizes of their homes, in square feet, on the x-axis. The variables have a strong linear correlation and the equation for the least squares regression line is = 0.392x + 638.118.



Based on the equation, what should the agent expect the property taxes to be for a 2400-square-foot home in the area?



$1578.92

$940.80

$2646.12

$1190.94

Answer 1

@Directrix

Answer 2

@KamiBug

Answer 3

@mathstudent55

Answer 4

do I substitute 2400 for x

Answer 5

Wouldn't you take y = 0.392x + 638.118 , substitute 2400 for x and crank out the y value which is the tax?

Answer 6

1578.918

Answer 7

I got $1578.92.

y = 0.392*(2400) + 638.118

Answer 8

same

Answer 9

Thanks