45 *Observations on both X and Y are standa dized, having estimated means of 0 and stand-...
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45 *Observations on both X and Y are standa dized, having estimated means of 0 and stand- and deviations of 1 (see Section 42) Show that the prediction equation has the form =rX. where r is the sample correlation between X and Y, that is, for the standardized variables, the Y-intercept equals 0 and the slope is the same as the correlation.
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Statistical Methods For The Social Sciences
ISBN: 9780135265260
3rd Edition
Authors: Alan Agresti, Barbara Finlay
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