Q3 of 26 Page 14

Find the mean deviation from the mean for the following data:13, 17, 16, 14, 11, 13, 10, 16, 11, 18, 12, 17


=== 14
= 1 + 3 + 2 + 0 + 3 + 1 + 4 + 2 + 3 + 4 + 2 + 3 = 28

M.D.() = 28/12 = 2.33

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