Estimating equations of lines of best fit, and using them to make predictions

Practice estimating the equation of a line of best fit through data points in a scatter plot. Then, use the equation to make a prediction.

Interpreting slope and y-intercept of lines of best fit

Practice explaining the meaning of slope and y-intercept for lines of best fit on scatter plots.

Current time: 0:00Total duration: 3:28

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# Interpreting a trend line

Sal interprets a trend line that shows the relationship between study time and math test score for Shira. Created by Sal Khan.