(Solved): Describe the explained variation about a regression line in words and in symbols. Choose the corre ...

Describe the explained variation about a regression line in words and in symbols. Choose the correct answer below. A. The explained variation is the sum of the squares of the differences between the \( y \)-values of each ordered pair and the mean of the \( y \)-values of the ordered pairs. B. The explained variation is the sum of the squares of the differences between the predicted \( y \)-values and the mean of the \( y \)-values of the ordered pairs. C. The explained variation is the sum of the squares of the differences between the observed y-values and the predicted y-values. The explained variation in symbols can be described by the expression