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What is the range, mean, variance, and standard deviation of {2,3,3,5,1,5,4,4,2,6}?

1 Answer

Nov 15, 2015

Range=5, Mean=3.5, Variance=2.25, Standard Deviation=1.5

Explanation:

Range#=#Maximum Value# - #Minimum Value#=6-1=5#

Mean#=bar(x)=(Sum of all values)/(Number of values)=(Sigmax)/n=35/10=3.5#

Variance#=s^2=(Sigma(x^2)-((Sigmax)^2)/n)/n=(145-35/10)/10=2.25#

Standard Deviation#=sqrt(Variance)=sqrt(s^2)=sqrt2.25=1.5#

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