Equation of linear equation under least squares method

Q.  Under method of least squares, a linear equation is developed in the form of ______ wherein Y is total cost, a = fixed cost, b = marginal cost and X is output.
- Published on 09 Sep 15

a. Y = a + bX
b. Y = a - bX
c. Y = a * bX
d. None of the above

ANSWER: Y = a + bX

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