|
Dependent
Variable |
Independent
Variable |
Regression equation |
Slope |
R2 |
|
DO mean |
BOD mean |
DO = 31.93 + 1.551 * BOD |
1.551 |
0.007 |
|
DO mean |
COD mean |
DO = 303.1 - 66.81 * COD |
-66.81 |
0.834 |
|
DO mean |
BODmean,
COD mean |
DO = 2.6645816 + .0081708 * BOD + .0021325 * COD |
|
.0323 |
|
DO mean |
Alkalinity mean |
DO = 493 - 33.58 * alkalinity |
-33.58 |
.228 |
|
DO mean |
TDS mean |
DO = 250.7 + 184.5 * TDS |
184.5 |
.113 |
|
DO mean |
pH mean |
DO = 3.757 + 1.718 * pH |
1.718 |
.665 |
|
DO mean |
Chloride mean |
DO = - 112.1 + 74.33 * Chloride |
74.33 |
0.579 |
|
DO mean |
Residual Chlorine mean |
DO = 0.092 + 0.039 * Residual Chlorine |
0.039 |
0.016 |
|
DO mean |
o-Phosphate mean |
DO = 9.664 - 1.510 * o- Phosphate |
-1.510 |
0.465 |
|
DO mean |
Nitrate mean |
DO = 13.60 - 1.171 * Nitrate |
- 1.17 |
.191 |
|
DO mean |
Ammonia mean |
DO = 0.442 + 0.002 * Ammonia |
0.002 |
.001 |
|
DO mean |
TDS mean
Chloride mean |
DO = 2.8947197 + .0006395 * TDS -.0021692 * Chloride |
|
0.151 |
|
DO mean |
TDS mean Chloride mean, Residual Chlorine mean |
DO = 3.2000125+.0003551 * TDS-.0007378 * Chloride - 1.125849 * Residual Chlorine |
|
0.2344 |
|
DO mean |
TDS mean Chloride mean, Residual Chlorine mean
o-Phosphate mean |
DO = 1.8955758 + .000345 * TDS - .0013377 * Chloride -2.049152 *Residual Chlorine+ .2572442 * o-Phosphate |
|
0.4843 |
|
DO mean |
TDS mean Chloride mean, Residual Chlorine mean
o-Phosphate mean
Nitrate mean |
DO = 56.332194 + .0217746 * TDS -.1663759 * Chloride+ 51.923978 *Residual Chlorine+ .1293998 * o-Phosphate - 6.342301 * Nitrate |
|
0.0 |
|
DO mean |
TDS mean Chloride mean, Residual Chlorine mean
o-Phosphate mean
Nitrate mean
Ammonia mean |
DO = 8.2230225 - .0023214 * TDS + .0472021 * Chloride -25.00903 * Residual Chlorine + .2979269 * o-Phosphate + 1.4023132 * Nitrate - 44.00537 * Ammonia |
|
0.0 |
|
DO mean |
Total
hardness mean |
DO = 1128 - 190.9 * Total hardness |
- 191 |
0.572 |
|
DO mean |
Temporary hardness mean |
DO = 1.6116 + .0036 * Temporary hardness |
|
.338 |
|
DO mean |
Permanent hardness mean |
DO = 3.2268 -.0007 * Permanent hardness |
|
.016 |
|
DO mean |
Calcium hardness mean |
DO = 672.9 – 78.98 * Calcium hardness |
– 78.98 |
0.353 |
|
DO mean |
Magnesium hardness mean |
DO = 455.6 - 111.9 * Magnesium hardness |
- 111.9 |
.554 |
|
DO mean |
Temporary hardness mean
Permanent hardness mean |
DO = 1.6642151 - .0034803 * Temporary hardness - .0002226 * Permanent hardness |
|
0.338 |
|
DO mean |
Calcium hardness mean
Magnesium hardness mean |
DO = .2102607 + .0078471 * Calcium hardness - .0036364 * Magnesium hardness |
|
.7292 |
|
DO mean |
Fluoride mean |
DO = - 0.046 + 0.422 * Fluoride |
0.422 |
0.357 |
|
DO mean |
Iron mean |
DO = 1.778 + .416 * Iron |
.416 |
.009 |
|
DO mean |
Fluoride mean Iron mean |
DO = 4.5251761 - 1.030661 * Fluoride -.0115327 * Iron |
|
0.478 |
