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Homework 6
Spring 2011
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a and b are coefficients. The short vertical line segments represent the errors, also called residuals,
which are the gaps between the line and the points. The residuals are the differences between the
observed dependent values and the predicted values. (Berk & Carey, pg 314) We understand how the
line of best fit gives us the closest linear relationship between X and Y.
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 '08
 KUMARSANJAY
 Regression Analysis, Pearson productmoment correlation coefficient, linear relationship, sq ft

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