Quiz 1 FA04 KEY-1 - Name SSN ECON 2843 Fall 2004 Quiz 1...

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Name SSN ECON 2843 Fall 2004 Quiz 1 Students must show all work on problems that involve calculation, even if the question is multiple choice. Questions 1 through 4 refer to the following: A consumer group conducted a study regarding the number of hours of TV that teenagers watched per week. The results of the sample were as follows. Hours per week frequency 0 – 3 8 3 – 6 9 6 – 9 17 9 – 12 21 12 – 15 23 15 – 18 20 1. What is the mean "weekly hours of TV watched" for the sample?
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