## Lesson 4: Simple Regression

January 26, 2016

Review:

- Correlation

Presentation:

- Simple (bivariate) regression
- Fitting Lines to Data (video)
- Calculate equation of the regression line
- y = b1*x + bo
- b1 = SSxy/SSxx
- b0 = (∑y/n) – b1*(∑x/n)

- Example: Problem 12.1

Activity:

- Complete problem 12.2 (p.474) and 12.6 (p.481) by hand

Assignment:

- Use Sheets or Excel to complete the following
- Complete problem 12.8 (p.481)
- Determine the equation of the regression line for your 10 selected countries (GDP and Fertility)

- Read p. 483-485, Residuals

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