Lesson 5
Goodness of Fit
These materials, when encountered before Algebra 1, Unit 3, Lesson 5 support success in that lesson.
Lesson Narrative
The mathematical purpose of this lesson is for students to understand what makes a linear model a better or worse fit for data displayed using a scatter plot. In the associated Algebra 1 lesson, students create lines of best fit and interpret the \(y\)-intercept of a linear model in terms of the situation. Students construct viable arguments (MP3) when they explain the goodness of fit of lines created using various methods.
Learning Goals
Teacher Facing
- Understand what makes a linear model a better or worse fit for data
Student Facing
- Let’s explore lines and their goodness of fit for data
Print Formatted Materials
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Additional Resources
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