If we fix n and the significance level then we can

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If we fix n and the significance level , then we can determine the power function ( μ ) , the power as a function of the alternative value μ . An example of this function is shown in Figure 18.1. Exercise 18.2. If the alternative is less than, show that ( μ ) = Φ - z - μ - μ 0 σ 0 / p n . Returning to the example with a model species and its mimic. For the plot of the power function for μ 0 = 10 , σ 0 = 3 , and n = 16 observations, 279
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