A valid mathematical Regression represents all of the characteristics shown except _________________.

A valid mathematical Regression represents all of the characteristics shown except _________________.
A . All of the standardized residuals will be within ±3 Standard Deviations
B. The sum of the residuals is zero
C. The residuals when plotted follow a Normal Distribution
D. Most standardized residuals are within ±2 Standard Deviations
E. The Residual is equal to the difference between the observed and predicted values

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Answer: A