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Question: 20 a random sample of 16 students selected from the...

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20. A random sample of 16 students selected from the student body of a large university had an average age of 25 years and a standard deviation of 2 years. We want to determine if the average age of all the students at the university is significantly more than 24, Assume the distribution of the population of ages is normal. Using α = .05, it can be concluded that the population mean age is (a) not significantly different from 24. significantly different from 24. significantly less than 24 significantly more than 24. (d)
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