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Find the mean absolute deviation about the median for the numbers 5, 7, 8, 10 and 15.
A3.2
B3
C2.4
D2.6
Answer & Solution
Correct answer: D. 2.6
The median is 8, absolute deviations are 3, 1, 0, 2, 7 with sum 13, and 13/5 = 2.6.
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