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
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) = $315.40 and s = $43.20. Using a significance level of .1, what are the boundaries of the confidence interval
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