Calculating a Least Squares Regression Line: Equation, Example, Explanation If you want a simple explanation of how to calculate and draw a line of best fit through your data, read on!

And, in fact, if you combine the intercept estimate with the estimate for non-Hispanic blacks, you get 49.3–23.7 = 25.6, exactly what we saw in the simple tabulation above. Multiple regression models ...

• Try multiple regression types • Consider the model with the greatest R-squared (determination coefficient) since the model with the greatest R-squared is the most reliable one.

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Our mixed regression model employing hair and ear length estimated cub ages to ±6 days of actual age for 93.6% of 219 observations of <70-day-old cubs. Our model provides an accurate means by which to ...