THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A professor of statistics is interested in studying the relationship between the number of hours graduate students spent studying for his comprehensive final exam and the exam score.The results of the regression analysis of hours studied on exam scores are presented below.
-If all the points on a scatter diagram lie on a straight line,what is the standard error of estimate?
A)-1
B)+1
C)0

Question

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A professor of statistics is interested in studying the relationship between the number of hours graduate students spent studying for his comprehensive final exam and the exam score.The results of the regression analysis of hours studied on exam scores are presented below. 
-If all the points on a scatter diagram lie on a straight line,what is the standard error of estimate?
A)-1 
B)+1 
C)0

Quizplus · Accepted Answer

If all the points on a scatter diagram lie on a straight line, then the standard error of estimate is 0 because there is no variation in the data once the line has been established. Therefore, the best choice is C, which indicates 0 as the standard error of estimate.