Question #310157

given population 2,7,9 what is the population variance



1
Expert's answer
2022-03-15T03:29:47-0400

Mean: μ=2+7+93=6.\mu=\frac{2+7+9}{3}=6.

Variance: σ2=(2−6)2+(7−6)2+(9−6)23=263.\sigma^2=\frac{(2-6)^2+(7-6)^2+(9-6)^2}{3}=\frac{26}{3}.


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