Question: 55. *To implement least squares, one can find the formulas for the a and b estimates that min- imize SSE (Y- = [[(a + bx)]

55. *To implement least squares, one can find the formulas for the a and b estimates that min- imize SSE (Y- = [[(a + bx)] using calculus. by taking the denvative of this function with respect to

a, taking the derivative with respect to

b. setting the two derivatives equal to 0, and solving the two linear equations simultaneously for a and

b. Take the derivative with respect to a and solve for

a. showing that a =-bx.

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