A probabilistic analysis of dissolved oxygen-biochemical

Reference no: EM131087422

The article "A Probabilistic Analysis of Dissolved Oxygen-Biochemical Oxygen Demand Relationship in Streams" (J. Water Resources Control Fed., 1969: 73-90) reports data on the rate of oxygenation in streams at 20°C in a certain region. The sample mean and standard deviation were computed as x = .173 and σ = .066, respectively. Based on the accompanying frequency distribution, can it be concluded that oxygenation rate is a normally distributed variable? Use the chi-squared test with α = .05.

Reference no: EM131087422

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