Fitting Lines to Data

This Fitting Lines to Data interactive also includes:

Scatter the TV sales over weeks. Pupils create a scatter plot to display the number of TV sales over a period of several weeks. The interactive allows class members to create two lines of best fit. Then they determine which line fits that data better and how to verify it.

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CCSS: Adaptable
Instructional Ideas

  • Conduct a lesson on finding residuals for a line of best fit
Classroom Considerations

  • Learners should know how to graph a line written in slope-intercept form
  • Requires signing up for a free CK-12 account

  • Individuals can view the correct answer
  • The supplementary material contains additional examples

  • It can be difficult to drag the lines to create lines of best fit