Variance/Standard Deviation.

By definition, the variance of the random variable is

In[31]:=

Var = ∫_lowsupport^highsupport (x - ExpValue)^2 f[x] x

Out[31]=

0.0933204

The standard deviation is defined to be the square root of the variance:

In[32]:=

StdDev = Var^(1/2)

Out[32]=

0.305484

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