# The total error in prediction equals ? (Y ? Y’)

? Question 1 10 out of 10 points

The total error in prediction equals ? (Y ? Y’).

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? Question 2 10 out of 10 points

Multiple regression uses more than one predictor variable.

? Question 3 10 out of 10 points

In regression analysis we are only concerned with perfect as opposed to imperfect relationships.

? Question 4 10 out of 10 points

To do linear regression, there must be paired scores on two variables.

? Question 5 10 out of 10 points

If sX = sY then r = bY.

? Question 6 10 out of 10 points

Generally, one can use the same regression equation for predicting Y given X as for X given Y.

? Question 7 10 out of 10 points

If sY = sX, then r = bY.

? Question 8 0 out of 10 points

If the standard error of estimate for relationship 1 equals 5.26 and for relationship 2 it equals 8.01 then we can reasonably infer that relationship 2 is less perfect than relationship 1.

? Question 9 10 out of 10 points

The least squares regression line insures the maximum number of direct hits.

? Question 10 10 out of 10 points

The regression line will always go through the point .