Question
In order to estimate the average time spent on the computer terminals per student at a local university, data were collected for a sample of
| In order to estimate the average time spent on the computer terminals per student at a local university, data were collected for a sample of 81 business students over a one-week period. Assume the population standard deviation is 1.8 hours. |
 |
Refer to Exhibit 8-1. If the sample mean is 9 hours, then the 95% confidence interval is:
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Personal Finance
Authors: Jack Kapoor, Les Dlabay, Robert Hughes, Melissa Hart
14th Edition
1264101597, 9781264101597
