Added variance image

nmcl · nmcl · commit 73d231c2ddc4 · 2015-08-20T15:52:49.000+01:00
#40
diff --git a/docs/manual.adoc b/docs/manual.adoc
@@ -707,19 +707,7 @@ public  class  Variance  extends  Mean
 
 variance() returns the variance of the samples:
 
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-Σ (Si-Mean())
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+image::images/maths3.jpg[]
 
 stdDev() returns the standard deviation of the samples, which is the square root of the variance.
 
