How can you determine which function best represents a table of statistical data?


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Following is the formula for the best fit straight line. To justify it requires some calculus. If you know about partial derivatives, consult the chapter on the calculus of several variables in Calculus Applied to the Real World for a detailed explanation.Regression (Best Fit) LineThe best fit line associated with the n points (x1, y1), (x2, y2), . . . , (xn, yn)

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