Statistic
EC
TDS
TH
Cl−
Na+
Ca2+
Mg2+
K+
Borewells
68
68
68
68
68
68
68
68
68
68
Minimum
155
97
60
45
17
7
13
16
6
1
Maximum
2176
1356
464
459
517
126
318
109
68
11
Range
2021
1259
404
414
500
119
305
93
62
10
1st Quartile
432.8
276
155.3
114.3
42.8
25.8
35.3
42.5
15.8
2
Median
1016.0
640
244.5
208.5
202
61
123
59.5
25
3
3rd Quartile
1320.3
830.5
319.8
289
274.8
69
186.3
71
36.3
4
Mean
969.6
610.9
243.3
217.3
189.9
53.2
119.8
57.1
26.5
3.7
Variance (n)
312,728
123,456
10,724
12,283
22,275
721
7539
384
202
4
SD (N)
559.2
351.4
103.6
110.8
149.2
26.9
86.8
19.6
14.2
2
Skewness
0.4
0.4
0.2
0.3
0.5
0.1
0.5
−0.1
0.5
1.9
Kurtosis
−0.8
−0.8
−0.8
−0.9
−0.9
−0.5
−0.9
−0.4
−0.2
3.6
SE of variance
54,838
21,648
1881
2154
3906
126
1322
67
35
1