Question
Compute the variance and S.D.
| X | 1 | 3 | 5 | 7 | 9 |
| Frequency | 5 | 10 | 20 | 10 | 5 |
| X | 1 | 3 | 5 | 7 | 9 |
| Frequency | 5 | 10 | 20 | 10 | 5 |
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$\lim _{x \rightarrow-2}\left[\frac{x^7+x^5+160}{x^3+8}\right]$
| Day of the week | Mon | Tue | Wed | Thus | Fri | Sat |
| No. of challans | 40 | 24 | 36 | 58 | 62 | 80 |
Find Q.D.