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Table 3 The Mean, variance (s2) and coefficient of dispersion (CD) of the densities of An. arabiensis larvae collected from each paddy.

From: Survival of immature Anopheles arabiensis (Diptera: Culicidae) in aquatic habitats in Mwea rice irrigation scheme, central Kenya

Paddy number Early instars Late instars Pupae
A Mean 1.18 0.34 0.05
  Variance 2.57 0.44 0.07
  CD 2.18 1.27 1.46
B Mean 0.94 0.23 0.01
  Variance 1.00 0.96 0.03
  CD 1.07 4.12 4.62
C Mean 6.20 0.96 0.75
  Variance 78.34 1.76 2.50
  CD 12.63 1.83 3.32
D Mean 3.90 1.02 0.25
  Variance 34.32 1.85 1.31
  CD 8.81 1.81 5.30
F Mean 1.33 0.17 0.11
  Variance 4.76 0.75 0.15
  CD 3.57 4.48 1.30
Total Mean 2.71 0.55 0.23
  Variance 27.06 0.93 0.60
  CD 9.99 1.71 2.56