Mean

Sir SagarAugust 14, 2014August 14, 20140

Mean

The mean of the n numbers x₁, x₂……..x_nis

$\overline{x}= \frac{\sum x}{n}.$

Example

Let x₁ = 1179, x₂ = 1404, x₃= 1443,x₄ = 1319 x₅ = 1253 and x₆ = 1492.

Find mean ?.

$\overline{x}= \frac{1179+1404+1443+1319+1253+1492}{6}$

$\overline{x}=\frac{8090}{6}$ = 1348

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