Fig. 4.

Average relative error (ARE) comparison in estimating sample standard deviation under S1, S2 and S3 using simulated data from four parametric distributions. a, b, c, d: AREs for 3 methods using simulated data from log-normal, beta, exponential, and Weibull distributions. Wan et al. (dashed line and crossed diamond for S1, diamond for S2, and solid diamond for S3); and ABC (solid line and crossed circle for S1, circle for S2, and solid circle for S3) methods