Data Homework2

Data Homework2 - Bryan Redd MoWeFr 8:30-9:20 Homework #2...

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Unformatted text preview: Bryan Redd MoWeFr 8:30-9:20 Homework #2 Due Date: January 22, 2008 by 11:55 p.m. 1. In your own words, define and give an example of each of the following statistical terms a. population- The entire set of cases or individuals under consideration. Example Pro Sports b. sample- subset of cases or individuals under consideration. Example Pro Football c. parameter- A descriptive measure such as an average or proportion computed from a population. Average height of all pro atheletes. d. statistic- A descriptive measure computed from the sample. Average height of all Pro football players. e. statistical inference- generalization about a population made on the basis of the sample. Example the average shoe size of Pro baseball player sample is 11 therefore the average shoe size of all pro atheletes is also 11. 2. A politician who is running for the office of mayor of a city with 25,000 regerstered voters commissions a survey. In the survey, 48% of the 200 registered voters interviewed say they plan to vote for her.survey....
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