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Find the variance and standard deviation from the following data:

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Find the variance and standard deviation from the following data:
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Arithmetic mean `bar=(sumf_(i)x_(i))/(sumf_(i))=120/24=5`
Variance `sigma^(2)=(sumf_(i)(x_(i)-barx)^(2))/(sumf_(i))=152/24=6.33`
Standard deviation `sigma=sqrt(6.33)=2.52`
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