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Establishing the statistical characteristics of a hydrological data for the purposes of decision making in water resource planning and management is only justifiable if the data has the right attributes. This requires that the data being analysed are consistent, free of trend and being part of a stochastic process whose random characteristics is described by an appropriate distribution hypothesis. The study used some statistical applications to establish the runoff timeseries characteristics of the three river sites of the Niger River basin. The results showed good attributes for all three river sites, except that Jidere River's data exhibited inconsistency. The presence of trend was also established for all three river sites. Apart from Jidere River which was modelled based on 3parameter lognormal, the other two river sites were modelled based on normal distribution probability. The presence of trend and other attributes require that a more stochastic modelling process be carried out. However the results established gives reference for water resource planning and management.
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birth defects, or other reproductive harm.
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