Fig. 2. Distribution of the stretched exponential function with τ* = 1 s and β = 0.6 showing the four measures of the rate: τ*⁻¹, τ_mode⁻¹ (eqn (7)), 〈τ〉⁻¹ (eqn (8)¹⁵), e^{−〈ln[τ]〉} (eqn (9)²⁶).