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Unformatted text preview: increase the Y scores tend to decrease (c) as the X scores increase the Y scores do not only increase or decrease 9. (a)particular Y scores are not consistently paired with particular X scores (b) the variability in Y at each X is equal to the overall variability in all Y scores in the data (c) the Y scores are not close to the regression line (d) knowing X does not improve accuracy in predicting Y 11. (a) stands for the Pearson correlation coefficient in the population (b) is estimated from an r calculated on a random sample (c) indicates the strength and type of linear relationship found between X and Y scores in the population....
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This note was uploaded on 04/13/2010 for the course BUSINESS 15643 taught by Professor Schilz during the Spring '10 term at École Normale Supérieure.
- Spring '10