A simple random sample of size n-15 is drawn from a population that is normally distributed. The sample mean is found to be 32.5 and the sample standard deviation is found to be s=6.3. Determine if the population mean is different from 26 at the confidence interval .01 level of significance. a) determine the null and alternative hypotheses. b) calculate the p value. c) state the conclusion for the test. d)state the conclusion in context of the problem.
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