2008
Mathematics
JAMB
Find the mean deviation of 2, 4, 5, and 9
A.
1
B.
2
C.
5
D.
7
Correct Answer: 2
Explanation
X = 20/4 = 5 mean deviation = 8/4 = 2
X = 20/4 = 5 mean deviation = 8/4 = 2THIS WEEK's
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