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Table 10 Calculations of descriptive statistics of water pollution indices

From: Data analysis of heavy metal content in riverwater: multivariate statistical analysis and inequality expressions

  CF EF Igeo
N Valid 10 10 10
Missing 0 0 0
Mean 0.3642 0.7861 −4.1986
Skewness 2.762 2.762 −0.199
Std. Error of Skewness 0.687 0.687 0.687
Kurtosis 8.044 8.044 −0.902
Std. Error of Kurtosis 1.334 1.334 1.334
Maximum 2.17 4.69 0.54
Percentiles 25 0.0118 0.0254 −7.0979
50 0.1211 0.2613 −3.6609
75 0.4246 0.9164 −1.8343
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