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Ch02_Sect01_Keller MS_AISE TB

# Ch02_Sect01_Keller MS_AISE TB - CHAPTER 2 SECTION 1...

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CHAPTER 2 SECTION 1: GRAPHICAL AND TABULAR DESCRIPTIVE TECHNIQUES MULTIPLE CHOICE 1. The classification of student major (accounting, economics, management, marketing, other) is an example of a(n) a. nominal random variable. b. interval random variable. c. continuous random variable. d. parameter. ANS: A PTS: 1 REF: SECTION 2.1 2. The classification of student class designation (freshman, sophomore, junior, senior) is an example of a(n) 3. A researcher wishes to estimate the textbook costs of first-year students at Ferris State University. To do so, he recorded the textbook cost of 200 first-year students and found that their average textbook cost was \$275 per semester. The variable of interest to the researcher is 4. All calculations are permitted on what type of data? 5. Values must represent ordered rankings for what type of data? a. Interval data b. Nominal data c. Ordinal data d. None of these choices. ANS: C PTS: 1 REF: SECTION 2.1 This edition is intended for use outside of the U.S. only, with content that may be different from the U.S. Edition. This may not be resold, copied, or distributed without the prior consent of the publisher.

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6. For what type of data are frequencies the only calculations that can be done? 7. For which type of data are the values arbitrary numbers? TRUE/FALSE 8. Your gender is a nominal variable. ANS: T PTS: 1 REF: SECTION 2.1 9. Your final grade in a course (A, B, C, D, E) is a nominal variable. ANS: F PTS: 1 REF: SECTION 2.1 10. Your age is an interval variable. ANS: T PTS: 1 REF: SECTION 2.1 11. Your age group (1-10; 11-20; 21-30; 31-40; etc.) is an interval variable.
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