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 3.2 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 62 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.
a. 13.608 to 14.392 hours
b. 13.19 to 14.81 hours (rounded)
You might also like to view...
Which of the following would not be considered a conservative method?
a. Accelerated depreciation methods for fixed assets. b. LIFO in periods of declining prices. c. LIFO in periods of rising prices. d. Shorter life estimates for depreciation for fixed assets.
According to a recent report by the American Management Association, more than a quarter of employers have fired workers for misusing email.
Answer the following statement true (T) or false (F)
In all of the states, a fee tail is treated as a fee simple absolute
Indicate whether the statement is true or false
Diversity can be a strength for a company, especially if managers know how to ________ it.
A. imagine B. simulate C. interpret D. exploit E. leverage