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quiz1_09

# quiz1_09 - Abel Rodriguez Applied Mathematics and...

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Abel Rodriguez Applied Mathematics and Statistics AMS-007. Spring 2009 Name: Quiz 1 1. In “Tobacco and Alcohol Use in G-Rated Children’s in Animated Films,” by Golds- tein, Sobel and Newman (Journal of the American Medical Association, Vol. 281, No 12), the lengths (in seconds) of scenes showing tobacco use were recorded for animated movies from Universal Studios. Six of those times are listed below. 0 , 223 , 0 , 176 , 0 , 548 a ) (8 points) Determine the mean of the sample. b ) (8 points) Determine the mode of the sample. c ) (11 points) Determine the first quartile of the sample ( Q 1 ). d ) (8 points) Determine the second quartile of the sample ( Q 2 or median). e ) (11 points) Determine the third quartile of the sample ( Q 3 ). f ) (12 points) Please indicate whether the following statements are true (T) or false (F). ( ) If the largest measure is 1700 instead of 548 the mean increases. ( ) If the largest measure is 1700 instead of 548 the mode increases. ( ) If the largest measure is 1700 instead of 548 the median increases.

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