Regression Computer Print Out

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Regression Computer Print Out

• What does all of this mean??

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Regression Print Out
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Interpretations
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R-squared

• An R-squared of ____ indicates that ____ of the
  variation in y-variable can be accounted for by
  the x-variable.

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• Standard Deviation of your residuals
• True y-variable varies from the predicted with a
  standard deviation of _____ units.

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• Standard Error of the slope
• If we constructed other models based on different
  samples of __________, wed expect the slopes of
  the regression lines to vary, with a standard
  deviation of about ________ per unit.

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Conclusion

• We are ____ confident that each (increase in
  the x-variable) causes (the y-variable to
  increase/decrease) between ____ and _____ on the
  average.