# Jensen's Inequality

Jensen’s inequality shows that

$$ f(\mathbb E(X)) \leq \mathbb E(f(X)) $$

for a concave function $f(\cdot)$.

Planted:
by L Ma;

References:

Dynamic Backlinks to

`cards/math/jensens-inequality`

:`cards/math/jensens-inequality`

Links to:LM (2021). 'Jensen's Inequality', Datumorphism, 04 April. Available at: https://datumorphism.leima.is/cards/math/jensens-inequality/.