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### Course: Statistics and probability > Unit 5

Lesson 6: More on regression- Squared error of regression line
- Proof (part 1) minimizing squared error to regression line
- Proof (part 2) minimizing squared error to regression line
- Proof (part 3) minimizing squared error to regression line
- Proof (part 4) minimizing squared error to regression line
- Regression line example
- Second regression example

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# Proof (part 3) minimizing squared error to regression line

Proof (Part 3) Minimizing Squared Error to Regression Line. Created by Sal Khan.

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