Scatter Plots and Lines of Regression Br
For Exercises 1 and 2, complete parts a-c.
a. Make a scatter plot and a line of fit, and describe the correlation.
b. Use two ordered pairs to write a prediction equation.
c. Use your prediction equation to predict the missing value.
1. FUEL ECONOMY The table gives the
weights in tons and estimates the fuel
economy in miles per gallon for
several cars.
Weight (tons)
Miles per Gallon
Bridget Minic
Fuel Economy (mi/gal)
1.3 1.4 1.5 1.8
2
2.1 2.4
29 24 23 21 ? 17 15
Fuel Economy Versus Weight
30
25
20
15
10
0.5
1.5
1.0
Weight (tons)
2.0 2.5