For the n-th stationary state of the infinite square well (width a, with V=0 for 0<x<a and infinite walls), compute ⟨x⟩, ⟨x2⟩, ⟨p⟩, ⟨p2⟩, σx, and σp. Check that these are consistent with the Heisenberg uncertainty principle. Which state comes closest to the uncertainty limit?