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What is the mean deviation about the mean for 2, 4, 6, 8 and 10?
A2
B2.4
C1.2
D3.2
Answer & Solution
Correct answer: B. 2.4
The mean is 6, absolute deviations are 4, 2, 0, 2, 4 with sum 12, and 12/5 = 2.4.
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