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Abel Rodriguez
Applied Mathematics and Statistics
AMS007. Spring 2009
Name:
Quiz 1
1. In “Tobacco and Alcohol Use in GRated 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.
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This note was uploaded on 01/31/2010 for the course AMS 7 taught by Professor Prado,r during the Winter '08 term at University of California, Santa Cruz.
 Winter '08
 Prado,R
 Statistics, Applied Mathematics

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