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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
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Phoniex University
Oct-2001 - Nov-2016
In Example 11.6 (p. 415), we found that a 99% confidence interval for the mean number of hours Penn State students watch television in a day is 1.76 to 2.42 hours. Explain whether each of the following statements is a correct interpretation of this result.
a. We can be fairly confident that 99% of all Penn State students watch between 1.76 hours and 2.42 hours of television a day.
b. We can be fairly confident that the mean number of hours of television Penn State students watch per day is under 3 hours.
c. The probability is .99 that the mean number of hours of TV Penn State students watch per day is between 1.76 hours and 2.42 hours.
Example 11.6
How Much TV Do Penn State Students Watch? In Example 11.2, we learned the results of a survey given to 175 Penn State students, in which one question asked was “In a typical day, about how much time do you spend watching television?”
Example 11.2
Mean Hours per Day That Penn State Students Watch TV In a class survey at Penn State, a question was “In a typical day, about how much time do you spend watching television?” Here is a numerical summary, generated by Minitab, of the responses (in hours):
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