Wikipedia: Cauchy distribution

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The standard Cauchy distribution has [probability density function]?

:f(x) = 1 / (π (1+x²)).

It is often cited as an example of a probability distribution which has no mean.

The standard Cauchy distribution has [probability density function]?

: f(x) = 1 / (π (1+x²)).

It is often cited as an example of a probability distribution which has no mean.