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Find Sample Variance {1,2,3,2,3,6}

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Your problem -> Sample Variance {1,2,3,2,3,6}

 x x^2 1 1 1=1xx1 2 4 4=2xx2 3 9 9=3xx3 2 4 4=2xx2 3 9 9=3xx3 6 36 36=6xx6 --- --- sum x=17 sum x^2=63

Sample Variance S^2 = (sum x^2 - (sum x)^2/n)/(n-1)

=(63 - (17)^2/6)/5

=(63 - 48.1667)/5

=14.8333/5

=2.9667

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