ExploreLearning! Each point on the scatter plot represents the cost of a first-class postage stamp in the
United States at the end of each year. Which line is the line of best fit?
History of
First-Class Stamp Prices
History of
First-Class Stamp Prices
Y
Line B
Linec
Line A
Line D
90 92 94 96 98 00 02 04 06 08'10
Year
90 92 94 96 98 00 02 04 06 08 10
Year
Line D
Line C
Line B
Line A