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Unit 5: Regression Analysis

Least-Squares Regression

Find the least-squares line with technology, know why it is the best fit, and interpret its slope, intercept, and r squared in context the way graders expect.

Topic 5.5 · 9 min read

This lesson comes with the AP Statistics plan

In this lesson

  1. 01The least-squares criterion
  2. 02Why the slope and intercept come out as they do
  3. 03What the slope and intercept mean
  4. 04Worked examples
  5. 05Where students lose points

The first units’ lessons are free. The plan opens every lesson, every practice question with worked solutions, your study plan and calendar, for $14.49 a month. Cancel any time.

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