Estimating line of best fit

1 video
1 skill
Lines are widely used to model relationships between two quantitative variables. In this tutorial, for scatter plots that suggest a linear association, we'll informally fit a straight line, and informally assess the model fit by judging the closeness of the data points to the line Common Core Standard: 8.SP.A.2

Estimating the line of best fit

PRACTICE PROBLEMS
Given a random assortment of points, find the best fit line for them.