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Hypothesis test for single mean

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.

Using the 0.10 level of significance, is there evidence that population mean is above $300?

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  • Reference No.:- M922770

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