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 cs190c:lab8 [2008/04/18 11:42]alint cs190c:lab8 [2008/07/24 12:08] (current) Both sides previous revision Previous revision 2008/07/24 12:08 seh 2008/04/18 11:42 alint 2008/04/18 11:42 alint 2008/03/04 13:02 seh 2008/02/29 12:10 jtk 2008/02/29 11:45 jtk 2008/02/29 11:27 jtk 2008/02/29 11:26 jtk 2008/02/29 10:57 alint 2008/02/27 19:46 seh created Next revision Previous revision 2008/07/24 12:08 seh 2008/04/18 11:42 alint 2008/04/18 11:42 alint 2008/03/04 13:02 seh 2008/02/29 12:10 jtk 2008/02/29 11:45 jtk 2008/02/29 11:27 jtk 2008/02/29 11:26 jtk 2008/02/29 10:57 alint 2008/02/27 19:46 seh created Line 1: Line 1: <​html><​SCRIPT SRC="/​jsMath/​easy/​load.js">​ <​html><​SCRIPT SRC="/​jsMath/​easy/​load.js">​ - ====== Numerically Stable and Unstable Methods to Compute the Variance ====== + ====== ​Lab 8: Numerically Stable and Unstable Methods to Compute the Variance ====== The variance of n sample values \(x_1\), \(x_2\), ... , \(x_n\) is one measure of statistical dispersion, obtained by averaging the squared distance of the sample values from the expected value (mean). The mean captures the location of a distribution and the variance captures the degree of the values being spread out. The square root of the variance is called the standard deviation.  ​ The variance of n sample values \(x_1\), \(x_2\), ... , \(x_n\) is one measure of statistical dispersion, obtained by averaging the squared distance of the sample values from the expected value (mean). The mean captures the location of a distribution and the variance captures the degree of the values being spread out. The square root of the variance is called the standard deviation.  ​