Line of Best Fit Equation

Learn how to approximate the line of best fit and find the equation of the line. We go through an example in this free math video tutorial by Mario's Math Tutoring.

0:11 We Take a Look at a Scatter Plot
0:30 Tips for Estimating the Line of Best Fit
1:18 Selecting 2 Points that Lie on the Line of Best Fit
1:55 Calculating the Slope from the Points that Lie on Line of Best Fit
2:13 Using Slope Intercept Form of the Line to Write the Equation and Solving for the Y-Intercept (the b value)

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Interpolation & Extrapolation


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