The least-squares regression method can be used to approximate a cost function.A disadvantage of this method is ________.
A) it does not use all the available data points
B) it requires a lot of prior cost data
C) it requires subjective placement of the line
D) it is more subjective than engineering analysis

Question

Quizplus · Accepted Answer

The least-squares regression method requires a significant amount of historical cost data to produce an accurate cost function, which can be a disadvantage if such data is not readily available.

The Least-Squares Regression Method Can Be Used to Approximate a Cost