Essay
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.
Correct Answer:

Verified
a.
11.559 to 12.44...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
a.
11.559 to 12.44...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q14: The value added to and subtracted from
Q26: A sample of 225 elements from a
Q28: In order to determine an interval for
Q48: When the level of confidence decreases, the
Q71: A random sample of 1000 people was
Q78: A sample of 100 information systems managers
Q81: In order to estimate the average electric
Q106: Two hundred students are enrolled in an
Q107: In order to determine the summer unemployment
Q113: The monthly incomes from a random sample