Fig. 6

Anderson–Darling statistic plot for residual (Mean: Mean value for the residual error of PET powder degradation rate; StDev: Standard deviation for residuals of sample size 15; AD: Anderson Darling statistic; P-value: level of confidence).

Anderson–Darling statistic plot for residual (Mean: Mean value for the residual error of PET powder degradation rate; StDev: Standard deviation for residuals of sample size 15; AD: Anderson Darling statistic; P-value: level of confidence).