Difference between revisions of "Activity- statistics problems"
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If n =10, = 12 and = 1530 find coefficient of variation | If n =10, = 12 and = 1530 find coefficient of variation | ||
==INTERPRETATION OF PROBLEM== | ==INTERPRETATION OF PROBLEM== | ||
− | ==Previous knowledge== | + | ===Previous knowledge=== |
− | ==Solution== | + | ====Solution==== |
<math>\frac{\sum x}{n}=\bar x </math> <br> | <math>\frac{\sum x}{n}=\bar x </math> <br> | ||
Revision as of 14:44, 10 July 2014
Problem 1
If n =10, = 12 and = 1530 find coefficient of variation
INTERPRETATION OF PROBLEM
Previous knowledge
Solution
σ=Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://en.wikipedia.org/api/rest_v1/":): {\displaystyle \sqrt{\frac{\sum {x^2}}{n}}-{\frac{({\sum{x}{n})^{2}}}}