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Answer the given question with complete solutions. f3. A random sample of 25 observations taken from a population that is normally distributed produced a sample

Answer the given question with complete solutions.

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\f3. A random sample of 25 observations taken from a population that is normally distributed produced a sample mean of 58.5 and a standard deviation of 7.5. Find the critical and observed values of f for each of the following tests of hypothesis using a = 0.01. a) Ha:u = 55 Hail >55 b) Ha:u = 55 Hail # 55 DS

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