Statistics And Probability Question 410
Question: The mean deviation from the mean for the set of observations ?1, 0, 4 is
Options:
A) $ \sqrt{\frac{14}{3}} $
B) 2
C) $ \frac{2}{3} $
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
Mean $ =\frac{-1+0+4}{3}=1 $ . Hence M.D. (about mean) $ =\frac{|-1-1|+|0-1|+|4-1|}{3}=2 $ .