Which of the Following Is NOT an Advantage of the Method

Multiple Choice

Which of the following is NOT an advantage of the method of least squares over the high-low method?

A) A statistical method is used to mathematically derive the cost function.
B) Only two points are used to develop the cost function.
C) The squared differences between actual observations and the line (cost function) are minimized.
D) All the observations have an effect on the cost function.