Calculate the mean deviation of the set of numbers 7, 3, ...
Calculate the mean deviation of the set of numbers 7, 3, 14, 9, 7, and 8.
13/6
5/2
7/6
7/3
Correct answer is D
x | 7 | 3 | 14 | 9 | 7 | 8 | Total |
x−ˉx | -1 | -5 | 6 | 1 | -1 | 0 | |
|x−ˉx| | 1 | 5 | 6 | 1 | 1 | 0 | 14 |
Mean : 7+3+14+9+7+86=486=8
Mean deviation : ∑|x−ˉx|n=146=73
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