Need statistics help regarding confidence intervals

timer Asked: Mar 22nd, 2016

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Researchers are concerned about the impact of students working while they are enrolled in classes, and they’d like to know if students work too much and therefore are spending less time on their classes than they should be. First, the researchers need to find out, on average, how many hours a week students are working. A survey of 200 RWU students provides a sample mean of 7.10 hours worked. Suppose that the 95% confidence interval was the range of values from 6.82 hours to 7.38 hours. Based on the research findings, what conclusion can you make about the average number of hours worked by All RWU students? 

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