. 2019 May 8;17(1):417–431. doi: 10.1007/s40201-019-00361-2

Table 3.

The range of input values (variables) and their statistical characteristics

Variable	Ranges	Average	Standard deviation	Coefficient of variation
Input layer
Time (min)	5–60	31	22.14	0.71
pH	2–7	3	0.66	0.21
TDS (%)	4–6	4	0.31	0.07
CD (A)	1.5–3	2.34	0.39	0.17
H₂O₂ (cc) (H₂O₂/COD)	73–441	204	118.69	0.58
Output layer
R (%)	15–85	50.51	19.46	0.38