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A sample of 18 items provides a sample standard deviation of 4.9. Test the following hypotheses using a = 0.05. What is your conclusion? Use

A sample of 18 items provides a sample standard deviation of 4.9. Test the following hypotheses using a = 0.05. What is your conclusion? Use both the pvalue approach and the critical value approach. H0: 02352 Ha: a2>52

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