Ch02_Sect02_Keller MS_AISE TB

Ch02_Sect02_Keller MS_AISE TB - CHAPTER 2 SECTION 2...

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CHAPTER 2 SECTION 2: GRAPHICAL AND TABULAR DESCRIPTIVE TECHNIQUES MULTIPLE CHOICE 35. Which of the following statements about pie charts is false? a. A pie chart is a graphical representation of a relative frequency distribution. b. You can always determine frequencies for each category by looking at a pie chart. c. The total percentage of all the slices of a pie chart is 100%. d. The area of a slice of a pie chart is the proportion of all the individuals that fall into that particular category. ANS: B PTS: 1 REF: SECTION 2.2 36. Which of the following situations is best suited for a pie chart? a. The number of dollars spent this year on each type of legal gambling. b. The percentage of a charitable donation that goes to administrative costs vs. directly to the charity. c. The number of students in your class who received an A, B, C, D, F on their exam. d. All of these choices are true. ANS: B PTS: 1 REF: SECTION 2.2 37. Which situation identifies when to use pie charts and/or bar charts? a. You want to describe a single set of data. b. Your data is nominal. c. You want to show the number or the percentage of individuals in each category. d. All of these choices are true. ANS: D PTS: 1 REF: SECTION 2.2 38. Suppose you measure the number of minutes it takes an employee to complete a task, where the maximum allowed time is 5 minutes, and each time is rounded to the nearest minute. Data from 130 employees is summarized below. How long did it take most employees to complete the task? Time (minutes) 1 2 3 4 5 Frequency 15 30 40 25 20 a. 5 minutes b. 3 minutes c. 40 minutes d. 20 minutes ANS: B PTS: 1 REF: SECTION 2.2 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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39. Car buyers were asked to indicate the car dealer they believed offered the best overall service. The four choices were Carriage Motors (C), Marco Chrysler (M), Triangle Auto (T), and University Chevrolet (U). The following data were obtained: T C C C U C M T C U U M C M T C M M C M T C C T U M M C C T T U C U T M M C U T What percentage of car buyers identified Carriage Motors as having the best overall service? a. 1/4 = 0.25 or 25% b. 14/40 = 0.35 or 35% c. 14% d. None of these choices.
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This note was uploaded on 04/08/2012 for the course ADMS 2320 taught by Professor Rochon during the Spring '08 term at York University.

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Ch02_Sect02_Keller MS_AISE TB - CHAPTER 2 SECTION 2...

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