In a particular relationship N = 80. How many points would you expect on the average to find within 1 of the regression line?
A) 40
B) 80
C) 54
D) 0

Question

In a particular relationship N = 80. How many points would you expect on the average to find within 1  of the regression line?
A) 40 
B) 80 
C) 54 
D) 0

Quizplus · Accepted Answer

According to the Empirical Rule, approximately 68% of the data falls within 1 standard deviation of the mean, meaning we would expect to find about 68% of the 80 points within 1 standard deviation of the regression line, which is 54 points. Therefore, the best choice is C.

In a Particular Relationship N = 80