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Table 1 Results of Shapiro–Wilk normality test on the evaluated water parameters

From: Effects of industrial effluents on the quality of water in Namanve stream, Kampala Industrial and Business Park, Uganda

Parameter

W

p-value

pH

0.91031

1.38E−03

Turbidity (FTU)

0.76652

2.46E−07

Total dissolved solids (mg/L)

0.85725

3.41E–05

Electrical conductivity (µS/cm)

0.82019

3.84E–06

Total phosphates (mg/L)

0.68501

7.29E–08

Total nitrogen (mg/L)

0.38729

4.14E–10

Total suspended solids (mg/L)

0.63872

1.28E–09

Biochemical oxygen demand (mg/L)

0.74279

5.29E–07

Escherichia coli count (CFU/100 mL)

0.9631

1.35E–01

  1. Data with p-value less than or equal to 0.05 are not normal. All p-values rounded to 2 decimal places