More on Modeling Relationships with a Line

How do you create a residual plot? Work as a class and in small groups through the activity in order to learn how to build a residual plot. The activity builds upon previous learning on calculating residuals and serves as a precursor to using residuals as way to measure the appropriateness of the fit of a line. 

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CCSS: Designed
Instructional Ideas

  • Create a matching task with scatter plots along with best fit line and associated residual plots; have the class work in pairs to match up the residual plots with the given scatter plots
  • Consider having the class develop a spreadsheet with formulas to calculate the residuals
Classroom Considerations

  • Lesson 16 of a 20-lesson module
Pros

  • Designed to provide practice of developing residual plots
  • Builds upon previous lesson on calculating residuals
Cons

  • None
Common Core