Variable

Shapiro-Wilk Test

Statistic

Sample size

p-Value

pH of water samples

0.899

10

0.215

Total Dissolved Solids

0.893

10

0.184

Nitrates

0.745

10

0.003

Phosphates

0.930

10

0.446

Copper

0.680

10

0.001

Zinc

0.903

10

0.239

Shannon-Weiner’s Diversity Index

0.915

10

0.313