# Difference between revisions of "Activity- statistics problems"

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==Solution== | ==Solution== | ||

<math>\frac{\sum x}{n}=\bar x </math> <br> | <math>\frac{\sum x}{n}=\bar x </math> <br> | ||

+ | |||

<math>\sum {x} ={\bar x \times {n}} </math> <br> | <math>\sum {x} ={\bar x \times {n}} </math> <br> | ||

+ | |||

+ | <math>\sum {x} ={12 \times {10}} </math> <br> | ||

+ | |||

+ | <math>\sum {x} =120 </math> <br> |

## Revision as of 08:05, 10 July 2014

# Problem 1

If n =10, = 12 and = 1530 find coefficient of variation

## INTERPRETATION OF PROBLEM

## Previous knowledge

## Solution