February 8, 2008

February 8, 2008 - 29 ∑ ∑ ∑ ∑ ∑-= N X X N Y X XY...

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February 8 Outline I. Effect of limited range on the correlation II. Chapter 7: Overview of linear regression III. Prediction A. Graphically B. With an equation: Y = mX + b C. With an imperfect relationship—the least squares regression line : Y Y a X b Y + = ' IV. Computing the regression equation ( 29 ( 29 (
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Unformatted text preview: 29 ∑ ∑ ∑ ∑ ∑--= N X X N Y X XY b Y 2 2 X b Y a Y Y-= V. Regression on SPSS Regression: concept dealing with the prediction of scores on one variable from scores on another Least squares regression line: the prediction line that minimizes Σ (Y – Y’) 2...
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This note was uploaded on 04/17/2008 for the course PSYC 241 taught by Professor Jamesantes during the Spring '08 term at North Dakota.

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February 8, 2008 - 29 ∑ ∑ ∑ ∑ ∑-= N X X N Y X XY...

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