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What is predicted (or predictable) variability (r squared)?

User Mattes
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Final answer:

The coefficient of determination, r², represents the percentage of variation in the dependent variable that can be explained by the variation in the independent variable using the regression line.

Step-by-step explanation:

The coefficient of determination, , when expressed as a percentage, represents the percentage of variation in the dependent (predicted) variable y that can be explained by variation in the independent (explanatory) variable x using the regression (best-fit) line.

Example: If the coefficient of determination, , is 0.75, this means that 75% of the variation in the dependent variable can be explained by the variation in the independent variable using the regression line.

User Merijndk
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