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Least Squares and Quadric Surfaces

by Donald Teets (South Dakota School of Mines and Technology)

This article originally appeared in:
College Mathematics Journal
May, 1993

Subject classification(s): Calculus | Single Variable Calculus | Statistics and Probability
Applicable Course(s): 3.1 Mainstream Calculus I | 7.1 Mathematical Statistics

A solution for least squares regression line is obtained without calculus, using algebra and geometry.


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