Question
Find the numberof observation lying between $\overline{\text{X}}-\text{M.D. }$and $\overline{\text{X}}-\text{M.D. }$ is the mean deviation from the mean. 34, 66, 30, 38, 44, 50, 40, 60, 42, 51
| $\text{x}_i$ | $\left|\mathrm{d}_{\mathrm{i}}\right|=\left|\mathrm{x}_{\mathrm{i}}-45.5\right|$ |
|
34
|
11.5
|
|
66
|
20.5
|
|
30
|
15.5
|
|
38
|
7.5
|
|
44
|
1.5
|
|
50
|
4.5
|
|
40
|
5.5
|
|
60
|
14.5
|
|
42
|
3.5
|
|
51
|
5.5
|
|
Total
|
90
|
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