MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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How do I use Excel to calculate the SAMPLE STD DEVIATION of a column? 

Expert Solution
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Step 1

Standard deviation:

The standard deviation indicates by how much each observation differs from a central point represented by the mean. Standard deviation is the square root of the variance. In general, the variance increases with the increase in the distances between the individual observations and the mean of the data set.

The general formula for sample standard deviation is,

Standard deviation s = SQRT(sum of (xi –x-bar)2/n-1)

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