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Assume That a Simple Random Sample Has Been Selected from a Normally

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Assume that a simple random sample has been selected from a normally distributed population. Find the test statistic, P-value, critical value(s), and state the final conclusion.
-Use a significance level of α=0.01\alpha = 0.01 to test the claim that μ>2.85\mu > 2.85 . The sample data consists of 9 scores for which xˉ\bar { x } =3.25= 3.25 and s=0.53\mathrm { s } = 0.53 .

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Test statistic: blured image. Critical val...

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