Find the variance of 2 6 8 6 2 and 6 - JAMB Mathematics 2001 Question
Find the variance of 2, 6, 8, 6 2, and 6.
A
6
B
5
C
√6
D
√5
correct option: b
\(The \hspace{1mm}mean \hspace{1mm} \bar{x} = \frac{\sum{x}}{n}=\frac{30}{6}=5\Variance\hspace{1mm}=\frac{\sum({x-\bar{x}})^{2}}{n}=\frac{30}{6}=5\)
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