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mdm12Section2_1_OddSolutionsFinal

# mdm12Section2_1_OddSolutionsFinal - Q1 Q5-7 Q13 Q3 Q9-11...

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Q1 Q3 Q5-7 Q9-11 Q13 CHAPTER 2 Section 2.1, pp. 101–103 Solutions to Odd Number Problems 1. a) Some intervals have overlapping boundaries. b) The interval 81 to 90 is missing. Top

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3. Meal Chosen Number Chicken cordon bleu 16 New York steak 20 Pasta primavera (vegetarian) 9 Lamb chop 12 Grilled salmon 10 Mushroom stir-fry with almonds (vegetarian) 5 a) b) 9 5 7 72 36 19.4% + = = Of the people surveyed, 19.4% chose vegetarian dishes. c) Answers will vary. Here a bar graph is used. d) The number of people who chose red-meat dishes = 20+12 = 32 This is less than half of the 72 respondents surveyed. Top
5. Enter the data into your graphing calculator, and use 1-Var Stats. a) range: 94 – 41 = 53 b) interval width = 5, number of intervals = 53/5 = 11 c) Interval Tally Frequency Relative Frequency Cumulative Frequency 41-45 /// 3 3/27 3 46-50 / 1 1/27 4 51-55 /// 3 3/27 7 56-60 //// 4 4/27 11 61-65 / 1 1/27 12 66-70 // 2 2/27 14 71-75 /// 3 3/27 17 76-80 //// 5 5/27 22 81-85 / 1 1/27 23 86-90 // 2 2/27 25 91-95 // 2 2/27 27 d) Histogram Frequency Polygon Frequency Frequency Score Score

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e) Relative Frequency Polygon f)
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