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From Karnataka Open Educational Resources
Activity- statistics problems (view source)
Revision as of 16:06, 10 July 2014
, 16:06, 10 July 2014→Previous knowledge
<math>\sum {x} =120 </math> <br>
<math>\sum {x} =120 </math> <br>
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>
