Describe the explained variation about a regression line in words and in symbols.

Part 1 of 2 Points: 0 of 2 Describe the explained variation about a regression line in words and in symbols. Choose the correct answer below. K O A. The explained variation is the sum of the squares of the differences between the (x1 , yi) . y-values of each ordered pair and the mean of the y-values of the ordered pairs. O B. The explained variation is the sum of the squares of the differences between the ( x , ) 1) observed y-values and the predicted y-values. (x , y) O C. The explained variation is the sum of the squares of the differences between the y predicted y-values and the mean of the y-values of the ordered pairs. y = y Question Viewer