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Mathematics 20 Online
OpenStudy (anonymous):

help: what is the sample standard variance of 14,40,19,31,36,26 and 17

myininaya (myininaya):

\[\frac{\sum_{}^{}(x_i- mean)}{n-1}\]

myininaya (myininaya):

that is the sample variance

myininaya (myininaya):

we need to find mean in order to find variance

OpenStudy (anonymous):

what is it

myininaya (myininaya):

whats what?

myininaya (myininaya):

mean=sum of the elements/ the number of elements

Directrix (directrix):

Input values 14 40 19 31 36 26 17 Mean 26.142857 Variance 84.979592

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