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OpenStudy (anonymous):
help: what is the sample standard variance of 14,40,19,31,36,26 and 17
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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?
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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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