Table 5 Goodness of fit and statistic parameters of the SA.
From: Life cycle assessment of polyphenols extraction processes from waste biomass
Statistic parameter /case | Input distribution (for electricity for heating) | |||
|---|---|---|---|---|
Normal (10%) | Normal (20%) | Uniform | Triangular | |
Output distribution type (for GW, kg eq CO2) | ||||
Distribution type (best fit) | Normal | Beta | Beta | Beta |
Parameters | Mean = 19,253.74, sd = 1,363.64 | Min = 6,212.11, Max = 21,169.00, Alpha = 9.11, Beta = 10.46 | Min = 7,220.52, Max = 19,063.59, Alpha = 1.62,Beta = 1.52 | Min = 6,168.95, Max = 18,919.97, Alpha = 4.69, Beta = 3.93 |
Correlation coefficient | 0.9990 | 0.9997 | 0.9990 | 0.9959 |
chi square | 15.812 | 21.612 | 27.992 | 19.06 |
P value chi square | 0.941 | 0.602 | 0.26 | 0.749 |
most likely value | 19,253.74 | 13,176.54 | 13,339.08 | 13,100.69 |
Standard Deviation (sd) | 1,363.64 | 1,644.40 | 2,905.22 | 2,046.40 |
Skewness | 0 | 0.0579 | − 0.0527 | − 0.1023 |
Kurtosis | 3 | 2.74 | 2.03 | 2.5 |
Coeff. of variation (sd/most likely value*100), CV | 7.08% | 12.48% | 21.78% | 15.62% |
