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The frequencies of sightings of different types of elephant groups in Mikumi National Park observed in wet and dry seasons (Figure 1) are significantly different. (Two-way Chi-square: X2 = 19.3, df = 3, N = 562, P < 0.05)

Elephant sightings pie chart
Figure 1. The composition of elephant groups in Mikumi National Park during wet- and dry- seasons
(Ereckson, A (2001) Demographic and behavioural aspects of elephant poaching in Mikumi National Park. MPhil thesis, Anglia Polytechnic University.)