Ch02_Sect03_Keller MS_AISE TB

Ch02_Sect03_Keller MS_AISE TB - CHAPTER 2 SECTION 3:...

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CHAPTER 2 SECTION 3: GRAPHICAL AND TABULAR DESCRIPTIVE TECHNIQUES MULTIPLE CHOICE 65. Which of the following represents a graphical presentation of interval data? a. A bar chart. b. A histogram. c. A pie chart. d. All of these choices are true. ANS: B PTS: 1 REF: SECTION 2.3 66. Which of the following statements about histograms is false? a. A histogram is a summary of interval data. b. A histogram is made of a series of intervals, called classes. c. The classes in a histogram cover the complete range of observations. d. All of these choices are true. ANS: D PTS: 1 REF: SECTION 2.3 67. Which of the following statements about histograms is false? a. The intervals of a histogram do not overlap. b. Every observation is assigned to one and only one class in a histogram. c. The intervals of a histogram are equally wide. d. None of these choices. ANS: D PTS: 1 REF: SECTION 2.3 68. Which of the following describes the shape of the histogram below? 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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a. Positively skewed b. Negatively skewed c. Symmetric d. None of these choices ANS: C PTS: 1 REF: SECTION 2.3 69. The relative frequency of a class in a histogram is computed by a. dividing the frequency of the class by the number of classes. b. dividing the frequency of the class by the class width. c. dividing the frequency of the class by the total of all frequencies. d. None of these choices. ANS: C PTS: 1 REF: SECTION 2.3 70. Compare the two histograms below. Which statement is true? 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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a. The center of histogram A is lower than the center of histogram B. b. The center of histogram A is higher than the center of histogram B. c. The center of histogram A is the same as the center of histogram B. d. You cannot compare the centers of these two histograms without the original data. ANS: A PTS: 1 REF: SECTION 2.3 71. Compare the two histograms below. Which statement is true? 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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a. The spread of histogram A is smaller than the spread of histogram B. b. The spread of histogram A is larger than the spread of histogram B. c. The spread of histogram A is the same as the spread of histogram B. d. You cannot compare the spreads of these two histograms without the original data.
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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_Sect03_Keller MS_AISE TB - CHAPTER 2 SECTION 3:...

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