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For the following frequency distribution, what is the value of sigma X 2 ? X f 5 1 4 0 3 2 2 1 1
For the following frequency distribution, what is the value of sigma X2 ?
X | f |
---|---|
5 | 1 |
4 | 0 |
3 | 2 |
2 | 1 |
1 | 3 |
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