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Suppose that we are testing H0: µ = µ0 versus H1: µ > µ0. Calculate the P -value for the following observed values of the test statistic (round all answers to 4 decimal places).
(a) z0 = 2.35,
(b) z0 = 1.53,
(c) z0 = 2.00,
(d) z0 = 1.85,
(e) z0 = -0.15.
Using this information, calculate Blpha risk (probability of Type II error) if the true population mean really is 81.
1. In a regression model involving 50 observations, the following estimated regression model was obtained:
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