Explain the relationship between the terms line of best fit trend line and model PRACTICE 1 Estimate the equation of the line of best fit for each graph a YA 20 18 16 NASONA 0 14 12 6 4 2 10 YA 20 18 16 14 12 10 8 2 0 0 N 2 y O 4 6 8 10 12 14 16 18 20 X REMEMBER A line of best fit is a straight line that is as close to as many points as possible but does not have to go through any of the points on the scatter plot You can use the equation for a line of best fit to make predictions about bivariate data through interpolation and extrapolation twoo Journal entry 2 4 6 8 10 12 14 16 18 20 X b YA 20 18 16 14 12 10 8 6 4 2 d YA 20 18 16 14 12 10 A 0 8 6 4 2 0 24 y 6 8 10 12 14 16 18 20 X 2 4 6 8 10 12 14 16 18 20