Director of admissions sample standard deviation

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The director of admissions at a large university advises parents of incoming students about the cost of textbooks during a typical semester. A sample of 49 students enrolled in the university indicates a sample average cost of $480 with a sample standard deviation of $56. State the null and alternative hypotheses and determine whether there is evidence that the population average is more than $470. Use a 0.01 level of significance

Reference no: EM1391525

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