Formal and Non Formal Education

CHAPTER 2 Page 28 4. City relative frequency Relative Or Relative Frequency Frequency (%) Indianapolis 100 0. 050 5. 0 St. Louis 450 0. 225 22. 5 Chicago one hundred thirty0 0. 650 65. 0 Milwaukee 150 0. 075 7. 5 Total 2000 1. 000 100. 5. a. A frequency table. b. pic c. Frequencies Relative Frequencies (%) White 130 10. 0 Black 104 8. 0 Lime 325 25. 0 Orange 455 35. 0 Red 296 22. 0 Total 1300 100. pic d. 350,000 orange 250,000 lime 220,000 red 100,000 white, and 80,000 black, found by multiplying relative frequency by 1,000,000 production. Page 35 10. a. 25 = 32, 26 = 64 53 suggests 6 homees. b. picUse interval of 15 and start first class at 40. 12. a. 24 = 16, 25 = 32 n = 20, suggest 5 classes b. picUse interval of 10. c. 50 d. fRelative frequency 50 up to 6040. 20 60 up to 7050. 25 70 up to 8060. 30 80 up to 9020. 10 90 up to 10030. 15 Total201. 00 e. The fewest number is about(predicate) 50, the highest about 100.The superlative concentration is in classes 60 up to 70 and 70 up to 80. Page 41 15. The following table is for 7th edition part (b) lone(prenominal) Class Mid Points x Frequency cum. Freq Relative fx Frequencies 0 5 2. 5 5 5 0. 05 12. 5 5-10 7. 5 13 18 0. 13 97. 10-15 12. 5 28 46 0. 28 350. 0 15-20 17. 5 23 69 0. 23 402. 5 20-25 22. 5 18 87 0. 18 405. 0 25-30 27. 5 10 97 0. 1 275. 0 30-35 32. 5 3 100 0. 3 97. 5 Total 100 1. 00 1640. 0 a. Histogram b. 100 (8th edition) c. 5 d. 28 e. 0. 28 f. 12. 5 g. 13 16. a. 3 b. about 26 or 27 c. 2 d. frequency polygon 17. a. 50 b. 1. 5 thousands of miles c. d. X = 1. 5, Y = 5 e. pic f. For the 50 employees about half earn between 6 and 9 thousand frequent flier miles. Five earn slight than 3 thousand frequent flier miles, and two earn more than 12 thousand frequent flier miles. Page 45 20. a. 200 b. b. about 50 or $50,000 . c. about $180,000 d. about $240,000 e. about = 110 50 or 60 homes f. about 130 homes 22. a. Les than 10 days = 6 + 7 = 13 Less than 15 days = 6 + 7 + 12 = 25 b. Lead TimefCF 0 up to 566 5 up to 10713 10 up to 151225 15 up to 20833 20 up to 25740 c. d. 14 CHAPTER EXERCISES Page 46 26. a. The scale is ordinal and the variable is qualitative. b. Performance Frequency Early 22 On-time 67 Late 9 Lost 2 . Performance Relative Frequency Early . 22 On-time . 67 Late . 09 Lost . 02 d. pic e. pic f. 89% of the packages are either early or on-time and 2% of the packages are lost. So they are missing both of their objectives. They must eliminate all lost packages and reduce the late percentage to below 1%. pic