Regression and Correlation Methods: Correlation, ANOVA, and Least Squares

Performing Regression Analysis

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2 Performing Regression Analysis

3 Performing Regression Analysis

Procedure Selection

Click on the “Statistics” tab

Click on “Simple Regression”

Select the appropriate “response variable” and “predictor variable” / this is a “linear” regression model.

4 Performing Regression Analysis

Under the “Graphs” tab for Simple Regression, you may select to plot the “Residual Plots”

Click OK

5 Performing Regression Analysis

Results of Regression and Least Squares Line

6 Performing Regression Analysis

Equation of the Form

The equation of the relationship form is:

Early Births per 100,000 = 105.0 – 4.322 Doctors per 100,000

The intercept is 105.0 and the coefficient in front of X is 4.322

This formula can be used for analyses and predicts what the number of early births would be if we had more doctors or less doctors per capita.