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hw1 stat

# hw1 stat - Problem Set 1 From Jia Shi MPP class of 2013 I...

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Problem Set 1 From: Jia Shi, MPP class of 2013 I. Exercise from Anderson, Sweeney and Williams Chapter 1 2. A. Number of elements: 9 B. Number of variables: 4 C. Qualitative variables: country, room rate; quantitative variables: number of rooms, overall score. 22. A. Population: all the voters in California B. Sample: registered voters in California C. Reason: the sample result can be used to estimate the percentage of the whole population’s support of Arnold Schwarzenegger. Chapter 2 2 . A. Relative frequency of Class D: 0.20 B. Frequency of Class D: 40 Class Frequency Percent Frequency A 44 22 B 36 18 C 80 40 D 40 20 Total 200 100 3. A. The data are qualitative. B. Frequency and Percent Frequency Distributions of Top Four TV Shows TV Shows Frequency Percent Frequency Law & Order 10 20 CSI 18 36 Without a Trace 9 18 Desperate Housewives 13 26 Total 50 100

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C. D. On the basis of the sample, CSI has the largest viewing audience, and Desperate Housewives is the second. 9. A. Frequency Distribution Ways Becoming CEO Frequency Built 14 Inherited 8 Hired 4 Total 26 B. Percent Frequency Distribution Ways Becoming CEO Percent Frequency Built 54 Inherited 31 Hired 15 Total 100 C. . D.
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• Fall '11
• G.
• Frequency distribution, percent frequency distribution, Household income in the United States, Histogram, Percent Frequency

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hw1 stat - Problem Set 1 From Jia Shi MPP class of 2013 I...

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