An algorithm for sample variance
Published in International Journal of Mathematical Education in Science and Technology • May 13, 2013
NobleIDNI8P43W11R96S54
Authors:
Anwar H. Joarder
Abstract
The most popular measure of variability of values in a sample is the variance – the average of the squares of observations deviated from the mean. That it is also an indicator of the deviations among observations themselves is not obvious from the popular formula of variance. In this note, we highli...
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