Overview for Simple Regression

Use Simple Regression to plot and model the relationship between one continuous predictor and a response. You can fit a linear, quadratic, or cubic model to the data.

For example, an engineer at a manufacturing site wants to examine the relationship between energy consumption and the setting of a machine used in the manufacturing process. The engineer believes the relationship between these variables is curvilinear. Therefore, the engineer performs a simple regression analysis and fits a quadratic model to the data.

Where to find this analysis

  • Mac: Statistics > Regression > Simple Regression
  • PC: STATISTICS > Regression > Simple Regression

When to use an alternate analysis

  • If you have one categorical predictor and no continuous predictors, use One-Way ANOVA.
  • If you have more than one continuous predictor, use Multiple Regression.
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