Estimating lines of best fit

3 videos
4 skills
When we display data on scatter plots, we often see trends. Sometimes these trends are linear, meaning that the data roughly follows the path of a line.

Eyeballing the line of best fit

PRACTICE PROBLEMS
Given a random assortment of points, draw a line of best fit through them.

Smoking in 1945

VIDEO 4:47 minutes

Estimating slope of line of best fit

PRACTICE PROBLEMS
Given a scatter plot, can you estimate the slope of the line of best fit that goes through the data points?

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

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