Reading

Discharge

Z

p

1^st

2^nd

3^rd

4^th

5^th

6^th

B. Lines

(n = 20)

(n = 20)

(n = 20)

(n = 10)

(n = 8)

(n = 2)

(n = 20)

Min. - Max.

32.0 - 122.0

17.0 - 102.0

1.0 - 78.0

3.0 - 42.0

2.0 - 23.0

3.0 - 5.0

1.0 - 10.0

3.920*

<0.001*

Mean ± SD.

63.40 ± 21.45

49.30 ± 20.16

21.60 ± 21.51

20.90 ± 14.65

8.88 ± 7.68

4.0 ± 1.41

4.45 ± 2.46

Median

59.0

45.50

10.50

17.50

5.50

4.0

4.50