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11-13-2011

Step 1: Calculate the mean.

Step 2: Calculate deviations from the mean.

Step 3: Squaring the deviations.

Step 4: Calculate variance as average of squared deviations.

11-13-2011	#2
Jonathan W Guest Posts: n/a	The four steps Step 1: Calculate the mean. Step 2: Calculate deviations from the mean. Step 3: Squaring the deviations. Step 4: Calculate variance as average of squared deviations.