Calculate the mean deviation of 1, 2, 3, 4, 5, 5, 6, 7, 8...
Calculate the mean deviation of 1, 2, 3, 4, 5, 5, 6, 7, 8, 9.
2
3
4
5
Correct answer is A
| x | 1 | 2 | 3 | 4 | 5 | 5 | 6 | 7 | 8 | 9 | Total |
| x−ˉx | -4 | -3 | -2 | -1 | 0 | 0 | 1 | 2 | 3 | 4 | |
| |x−ˉx| | 4 | 3 | 2 | 1 | 0 | 0 | 1 | 2 | 3 | 4 | 20 |
Mean (ˉx) = 1+2+3+4+5+5+6+7+8+910=5010=5
MD=∑|x−ˉx|n=2010=2
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