S41 - luncheon, where X is the number of guests each...

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1. The width of each bar in a histogram corresponds to the a) differences between the boundaries of the class. b) number of observations in each class. c) midpoint of each class. d) percentage of observations in each class. ANSWER: a TYPE: MC DIFFICULTY: Easy KEYWORDS: frequency distribution TABLE 2-3 Every spring semester, the School of Business coordinates with local business leaders a luncheon for graduating seniors, their families, and friends. Corporate sponsorship pays for the lunches of each of the seniors, but students have to purchase tickets to cover the cost of lunches served to the guests they bring with them. The following histogram represents the attendance at the senior
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Unformatted text preview: luncheon, where X is the number of guests each graduating senior invited to the luncheon, and f is the number of graduating seniors in each category. 17 152 85 18 3 20 40 60 80 100 120 140 160 1 2 3 4 5 Guests per Student 2. Referring to the histogram from Table 2-3, how many graduating seniors attended the luncheon? a) 4 b) 152 c) 275 d) 388 ANSWER: c TYPE: MC DIFFICULTY: Difficult EXPLANATION: The number of graduating seniors is the sum of all the frequencies, f . KEYWORDS: interpretation, histogram...
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