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A sample of 25 students revealed that the average age of students at Holmes is 21 years and the standard deviation of age is 1.8.
A sample of 25 students revealed that the average age of students at Holmes is 21 years and the standard deviation of age is 1.8. Test the hypothesis that the population mean of the student age is greater than 19 at 10% significance level
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College Algebra
Authors: Mark Dugopolski
5th Edition
0321899822, 9780321899828
