Card 136 / 180: The sum of the squared errors is calculated by which of the following methods?
A) Measure the vertical distance between the actual value of y in a sample and the estimated value of y from the fitted regression line, and then add the squared distances for each observation in the sample.
B) Measure the vertical distance between the actual value of y in a sample and the estimated value of y from the fitted regression line, and then add the distances for each observation in the sample.
C) Measure the vertical distance between the actual value of y in a sample and the estimated value of y from the fitted regression line, and then multiply each term by the correlation coefficient between x and y.
D) Measure the vertical distance between the actual value of y in a sample and the estimated value of y from the fitted regression line.

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