In order to determine how many hours per week freshmen college students watch television, a random sample of 256 students was selected. It was determined that the students in the sample spent an average of 14 hours with a standard deviation of 3.6 hours watching TV per week.
a.Provide a 95% confidence interval estimate for the average number of hours that all college freshmen spend watching TV per week.b.Assume that a sample of 66 students was selected that resulted in the same mean and standard deviation. Provide a 95% confidence interval estimate for the average number of hours that all college freshmen spend watching TV per week.?
What will be an ideal response?
?
| a. | 11.559 to 12.441 hours |
| b. | 11.12 to 12.88 hours (rounded) |
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