POS 3713  Spring 2007 (Dr. Hensel)
This homework assignment is due at the beginning of class (i.e., before lecture starts) on
Tuesday, March
13
(note that this is later than the original due date listed in the syllabus, to give students more time to
learn how to work with SPSS)
. Any work turned in after lecture begins that day (even if only a few
minutes into class) will be assessed a late penalty. Also, note that all work must be your own  students
found to have copied their answers from other students (or to have had their answers copied by other
students) will receive automatic zero grades on this assignment, and may face further disciplinary action.
1. Calculate the Index of Qualitative Variation (IQV) for the following variable from the class survey,
which asked whether students were in favor of the death penalty for those convicted of murder. Please
show your work. BrieFy interpret what this value tells you (i.e., explain the interpretation of this value in
12 sentences).
Yes (favor death penalty):
30
No:
17
Don't Know / Other:
11
For the next fve questions, you are to analyze the ±ollowing data series. A pro±essional gol±er, Sergio
Garcia, has recorded the ±ollowing scores in his last eight rounds at PGA tournaments, including ±our
rounds each at the 2007 Nissan Open and 2006 World Gol± Championships:
69
69
68
67
69
71
73
69
2. What is his modal golf score (the mode) over this time period? BrieFy interpret what this value tells
you (i.e., explain the interpretation of this value in 12 sentences).
3. What is his median golf score over this time period? Please explain how you reached this conclusion.
BrieFy interpret what this value tells you (i.e., explain the interpretation of this value in 12 sentences).
4. What is his mean golf score over this time period? Please show your work. BrieFy interpret what this
value tells you (i.e., explain the interpretation of this value in 12 sentences).
5. What can you say about the skewness of these golf scores? (Is there any skew, if so in which
direction, and how did you reach this conclusion?)
6.
What is the standard deviation of these golf scores?
Please show your work.
The remaining ±our questions involve basic calculations using data ±rom the 2000 International Social
Social Science Survey Program (ISSP), which is included on the CD that came with the FNLG book. You
will analyze this data using SPSS statistical so±tware. The remainder o± this homework assignment sheet
provides instructions ±or using SPSS, and lists a number o± other resources with more in±ormation.
7. Using SPSS, produce a frequency table for the variable
Country
(the country where each survey
respondent lives, which should be the ±rst variable in the list). Be sure to copy and paste the output into
your homework, or else print out the output in the computing lab and attach it to your homework when
you hand it in.
8. Using SPSS, produce a bar graph for the variable
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 Fall '11
 PaulHensel
 Spss, Frequency distribution

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