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Assume that a simple random sample has been selected from a normally distributed population and test...

Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify the null and alternative hypotheses , test statistic, critical value , decision about the null hypothesis and final conclusion that addresses the original claim. Use a significance level of α = 0.01 to test the claim that the µ > 2.85. The sample data consist of 9 scores for which the sample mean is 3.17 and s= 0.57.

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