Here are data on the amount of protein (g) and number of calories in a random sample of
10 brands of flavored yogurt. A scatterplot with the least-squares regression line is also
shown.
Protein (g)
Calories
Protein (g)
Calories
Calories
400
300
200
100
14
12
13
13
7
80 100 120 130 130
8
5
9
6
8
140 150 160 180
310
10 12 14
Protein (g)
68
ON MILEFAT
MONEY
1. Calculate the equation of the least-squares
regression line using technology.
2. The outlier on the scatterplot represents Trader
Joe's Greek yogurt. What effect does this point
have on the equation of the least-squares
regression line? Explain your answer.