Changes
From Karnataka Open Educational Resources
71 bytes added
, 16:10, 10 July 2014
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| σ=<math>\sqrt{\frac {\sum {x^2}}{n}-({\frac{\sum x}{n})^2}}</math> <br> | | σ=<math>\sqrt{\frac {\sum {x^2}}{n}-({\frac{\sum x}{n})^2}}</math> <br> |
| σ=<math>\sqrt{\frac{1530}{10}-{144}}</math> <br> | | σ=<math>\sqrt{\frac{1530}{10}-{144}}</math> <br> |
| + | σ=<math>\sqrt{153-144}</math> <br> |
| + | σ=<math>\sqrt{9}</math> <br> |
| + | σ=3 |