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The Multiple Regression Model for Predicting Y from X1, X2

Question 20

Multiple Choice

The multiple regression model for predicting Y from X1, X2, and X3 is
Yi = b1X1i + b2X2i + b3X3i + a + ei. If the bivariate correlation of Y and X1 is positive (rY1 > 0) , the partial slope for X1 (b1) will be


A) a positive value.
B) a negative value.
C) zero.
D) uncertain.

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