04 May Question? Question 1 10 out of 10 points
Question
? Question 1 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 2 10 out of 10 points
The higher the r value, the lower the standard error of estimate.
? Question 3 10 out of 10 points
Multiple regression always results in greater prediction accuracy than simple regression.
? Question 4 10 out of 10 points
For regression purposes, it is customary to assign Y to the predicted variable.
? Question 5 10 out of 10 points
For regression purposes, it is customary to assign Y to the variable we are predicting from.
? Question 6 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 7 10 out of 10 points
When the relationship is perfect, the regression of Y on X is the same as the regression of X on Y.
? Question 8 0 out of 10 points
It is impossible to have a negative value for the standard error of estimate.
? Question 9 10 out of 10 points
If the relationship between two variables is perfect the standard error of estimate equals 0.
? Question 10 10 out of 10 points
In regression analysis we are only concerned with perfect as opposed to imperfect relationships
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