Question: The least-squares regression method can be used to approximate a cost function. A disadvantage of this method is ________. A) it requires a lot of

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

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