An equation's root mean squared error is: A) a measure of how closely its predictions match actual outcomes. B) a measure of how closely the equation explains past data. C) inversely proportional to the difference between the actual value and the predicted value. D) derived from the R² statistic. E) equal to the square root of the sum of squared errors.

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Quizplus · Accepted Answer

Root mean squared error (RMSE) is a measure of how closely an equation's predictions match actual outcomes, indicating the accuracy of the model's predictions.

An Equation's Root Mean Squared Error Is