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Unformatted text preview: c. Some pollsters prefer to select a sample of "likely" voters. What is the difference between "registered voters" and "likely voters"? Why is this important? d. Is the sample selected by the pollsters representative of the population described in part a? Ex.plain. 1.18 Construct stem and leaf pia for these EX0118 50 measurements. ~ UyeteJ \t" dAIS III 3.1 4.9 2.B 36 2.5 45 3.5 3.7 4.1 4.9 2.9 2.1 35 4.0 3.7 2.7 4.0 4.4 3.7 4.2 3.B 6.2 2.5 2.9 2.B 5.1 1.8 5.6 2.2 3.4 2.5 3.6 5.1 4.8 1.6 3.6 6.1 4.7 3.9 3.9 4.3 5.7 3.7 4.6 4.0 5.6 4.9 4.2 3.1 3.9 1.19 Refer to Exercise 1.18. Construct a relative frequency histogram for the data. a. Approximately how many class intervals should you use? b. Suppose you decide to use classes starting at 1.6 with a class width of.5 (i.e., 1.6 to <2.1,2.1 to <2.6). Construct the relative frequency histogram for the data. c. What fraction of the measurements are less than 5.1 ? d. What fraction of the measurements are larger than 3.6?...
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 Fall '10
 lizapplegates

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