Table 4 Correlation matrix (linear relationship) between various chemical parameters
Variables | Nitrate | Dissolved solids | Total hardness | Chloride | Sulfate | Ammonia nitrogen |
|---|---|---|---|---|---|---|
Nitrate | 1 | |||||
Dissolved solids | 0.6870 | 1 | ||||
Total hardness | 0.6852 | 0.9210 | 1 | |||
Chloride | 0.5277 | 0.8382 | 0.7854 | 1 | ||
Sulfate | 0.3252 | 0.5753 | 0.5550 | 0.4490 | 1 | |
Ammonia nitrogen | 0.0237 | 0.1355 | 0.1083 | 0.1031 | 0.0582 | 1 |