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This Analyzing Residuals (Part 1) lesson plan also includes:
Just how far off is the least squares line? Using a graphing calculator, individuals or pairs create residual plots in order to determine how well a best fit line models data. Three examples walk through the calculator procedure of finding a residual plot.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Bring the lesson to your existing unit on scatter plots to augment the main concepts, or based your unit on the activity itself
- Send home part of the assignment before or after your classroom instruction
Classroom Considerations
- Requires graphing calculators
- Uses the least-squares linear regression method, but any method of finding a line of best fit will work
- Lesson 17 of a 20-lesson module
Pros
- Exit ticket provided to determine understanding of the concept
- Effective within the sequence of the module or within another unit on scatter plots and linear models
Cons
- None