Average energy mass on a spring

1. The problem statement, all variables and given/known data



Hi, I hope this isn't a silly question. I am looking to find the mean potential energy of a mass on a spring with spring constant k and maximum displacement x0.



2. Relevant equations







3. The attempt at a solution

I know the maximum energy is 1/2*kx0^2 so would the mean potential energy be half that?