Résultats et discussion
58
Figure 3-1: Boite à moustaches (Box Plots) des variables quantitatives des analyses de la station Skikda.
Box & Whisker Plot
Mean
Mean±SD
Mean±1,96*SD
PH
COND (µS/cm)
O2 dissout (%)
DCO (mg/l)
MES (mg/l)
SO4 (mg/l)
NO3 (mg/l)
HC (mg/l)
-40000
-20000
0
20000
40000
60000
80000
1E5
58
Figure 3-1: Boite à moustaches (Box Plots) des variables quantitatives des analyses de la station Skikda.
Box & Whisker Plot
Mean
Mean±SD
Mean±1,96*SD
PH
COND (µS/cm)
O2 dissout (%)
DCO (mg/l)
MES (mg/l)
SO4 (mg/l)
NO3 (mg/l)
HC (mg/l)
-40000
-20000
0
20000
40000
60000
80000
1E5
