Hypothesis testing-population mean

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The director of admissions at the University of Maryland, University College is concerned about the high cost of textbooks for the students each semester.  A sample of 25 students enrolled in the university indicates that X (bar) = $315.4 and s = $43.20.

Is there evidence that the population mean is above $300, if X (bar) = $305.11 and s = $43.20?

Reference no: EM1316140

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