Question

What is the variance of the following numbers?: {40; 56; 59; 60; 60; 62; 65; 69; 75; 84}

Answer 1

137.6

Explanation:

`s^2=1/(n−1) .^n∑_(i=1)(x_i−m)^2`

VARIANCE: The difference of the sample values from the sample mean – used to calculate the standard deviation later.
See also: http://www.math.uah.edu/stat/sample/Variance.html