Practice!

Sample Problem

Cody finds that his scatterplot of household income vs. SAT scores has a line of best fit with the equation y =  + 200. What does this line predict the SAT score for a student with a household income of $195,000 to be?

Solution

The equation y =  + 200, when x=195,000

y =  + 200

y = 1950 + 200

y = 2150