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mdm12Section2_T_OddSolutionsFinal

# mdm12Section2_T_OddSolutionsFinal - Q1-7 Q9-11 CHAPTER 2...

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Q1-7 Q9-11 CHAPTER 2 Chapter Test pp. 154–155 Solutions to Odd Number Problems 1. Score Interval Tally Frequency Score (mid-value) Frequency Cumulative Frequency 44.5-49.5 // 2 47 2 2 49.5-54.5 / 1 52 1 3 54.5-59.5 //// 4 57 4 7 59.5-64.5 //// 5 62 5 12 64.5-69.5 // 2 67 2 14 69.5-74.5 /// 3 72 3 17 74.5-79.5 0 77 0 17 79.5-84.5 0 82 0 17 84.5-89.5 0 87 0 17 89.5-94.5 / 1 92 1 18 94.5-99.5 // 2 97 2 20 b) frequency diagram and frequency polygon MDM4U Exam Scores 0 1 2 3 4 5 6 40 50 60 70 80 90 100 Frequency MDM4U Exam Scores -1 0 1 2 3 4 5 6 40 50 60 70 80 90 10 0 Frequency

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c) cumulative-frequency diagram MDM4U Exam Score Cumulative Frequency 0 5 10 15 20 25 50 60 70 80 90 100 Cumulative Frequency 3. a) b) outliers: 92, 97, 98 c) There is no right whisker, so all the data above Q3 are outliers. 5. a) Since there are 20 students, there are two students above the 90th percentile.
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mdm12Section2_T_OddSolutionsFinal - Q1-7 Q9-11 CHAPTER 2...

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