# The higher the r value, the lower the standard error of estimate

? Question 1 10 out of 10 points

The higher the r value, the lower the standard error of estimate.

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? Question 2 10 out of 10 points

An imperfect relationship generally yields exact prediction.

? Question 3 10 out of 10 points

If the correlation between two variables is 1.00, the standard error of estimate equals 0.

? Question 4 10 out of 10 points

If X and Y are plotted as standard (z) scores, then r equals the slope of the resulting regression line.

? Question 5 10 out of 10 points

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

? Question 6 10 out of 10 points

Pearson r is the slope of the least squares regression line when the scores are plotted as z scores.

? Question 7

10 out of 10 points

When there are two predictor variables, R2 is the simple sum of r2 for the relationship of the first predictor variable and Y and r2 for the relationship of the second predictor variable and Y.

? Question 8 0 out of 10 points

When doing regression, it is customary to assign X to the predicted variable.

? Question 9 10 out of 10 points

If sY = sX, then r = bY.

? Question 10 0 out of 10 points

If we minimize ? (Y?Y’)2, we will minimize the total error of prediction.