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
Line C
Line B
Cost of First-Class Stamp
Cost of First-Class Stamp
Line A
Line D
26
24
90 92 94 9698 00 02 04 06 08 10
Year
90 92 94 96 98 00 02 04 06 08 10
Year
Line C
Line B
Line D
Line A