S.No | X | (X-x̄) | (X-x̄)2 | |
1 | 28.000 | -1.000 | 1.0000 | |
2 | 24.000 | -5.000 | 25.0000 | |
3 | 23.000 | -6.000 | 36.0000 | |
4 | 27.000 | -2.000 | 4.0000 | |
5 | 34.000 | 5.000 | 25.0000 | |
6 | 30.000 | 1.000 | 1.0000 | |
7 | 39.000 | 10.000 | 100.0000 | |
8 | 30.000 | 1.000 | 1.0000 | |
9 | 26.000 | -3.000 | 9.0000 | |
Σx | 261 | 202.0000 |
from above sum of the squared deviations =202.00
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