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psci3300h4

# psci3300h4 - Homework#4(Descriptive Statistics POS 3713...

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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 1-2 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 1-2 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 1-2 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 1-2 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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psci3300h4 - Homework#4(Descriptive Statistics POS 3713...

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