Number of Data Min. Max. Arithmetic mean Geometric mean Harmonic mean Variance Standard Deviation
Cluster1 2 15.637 17.935 16.78 16.74 16.7 2.63 1.62
Cluster2 8 0.876 8.734 4.11 3.24 2.27 6.2 2.49
Cluster3 7 0.343 6.96 3.19 1.81 0.93 7.54 2.74
Cluster4 21 0.74 3.502 1.95 1.78 1.59 0.66 0.81
Table 9: Statistical permeability index yielded by cluster analysis in well A.