18.  Assume that the sample has been randomly selected from a population that has a normal distribution.  Use a significance level of 0.01 to test the claim that μ > 2.85.  the sample consists of 9 scores for which x¯ = 3.25 and s = 0.53.  Show work.

MATLAB: An Introduction with Applications
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18.  Assume that the sample has been randomly selected from a population that has a normal distribution.  Use a significance level of 0.01 to test the claim that μ > 2.85.  the sample consists of 9 scores for which x¯ = 3.25 and s = 0.53.  Show work.

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