Dr. Ibanez recorded the amount of snowfall, in centimeters, at 10 different locations during 1 day, and then arranged the amounts from smallest to largest. The amounts were 3, 3, 3, 3, 4, 4, 4, 5, 5, and 6 cm. The mean of these measurements is 4 cm.

What is the mean absolute deviation?

A.
0 cm

B.
0.8 cm

C.
1 cm

D.
2.5 cm

Question

Dr. Ibanez recorded the amount of snowfall, in centimeters, at 10 different locations during 1 day, and then arranged the amounts from smallest to largest. The amounts were 3, 3, 3, 3, 4, 4, 4, 5, 5, and 6 cm. The mean of these measurements is 4 cm.
 
What is the mean absolute deviation?
 
 A.
0 cm
 
 B.
0.8 cm
 
 C.
1 cm
 
 D.
2.5 cm

kropot72 · Answer

You can find a good explanation of how to calculate the mean absolute deviation here: http://www.mathsisfun.com/data/mean-deviation.html

kropot72 · Answer

@Gokuporter If you use the method show at the above link, your result will be one of the answer choices.

anonymous · Answer

It's 0.8, I just took the test and got it right.