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(2) 19. 46. 28. 43. 20. 79.6. 29. 34. 21. 86. 30. 22. 22. none. 31. 25. 23. 22. 32. 26. 24. 27.8. 33. 15. 25. 25.5. 34. 18. 26. none. 35. 20. 27. 117. 36. 29 Section 10.1. BJU Press. Unauthorized reproduction prohibited..
(3) 37. 28. 40. yes. 38. 22. 41. yes. 39. The range is about onesixth of what it was before. The median and the mean are much closer to each other. The difference between the largest and smallest measure of central tendency is 7, as compared to 21 in exercises 28–30.. 42. no 43. both are increased by 3 44. mean 45. 24 46. 18. Section 10.1 BJU Press. Unauthorized reproduction prohibited..
(4) 47. An SUV or full–size van might get 12 mi./gal., and a small economy car would probably get 30 mi./gal.. 52. >. 48. >. 55. x = 21. 49. >. 56. x = 6. 50. > 51. <. 53. x = –3 54. x = –. 57. x =. 12 13. 14 – 9. Section 10.1 BJU Press. Unauthorized reproduction prohibited..
(5) 10.2 Diagramming Data. 1. 6.5. 8. 86. 2. 4. 9. 46. 3. 8.5 4. 4.5 5.. 10. 11. 93.5 12. 71.5. 6. 80. 13. 100. 7. 40. 14. 28.5. BJU Press. Unauthorized reproduction prohibited..
(6) 15. 16. 9 17. 4.5 18. 10 19. 5.5. 21. 0 6 8. 1 2 2 3 5 5 7 2 0 9 9 22. 3 3. 4 4 7 7 5 1 1 4 8 6 0 3 5. 20.. Section 10.2 BJU Press. Unauthorized reproduction prohibited..
(7) 23. 2 3 9. 3 4 5 6. 1 4 4 4 2 2 5 1. 24. 5 6 7. 6 1 5 6 6 8 8 9 7 1 2 3. 25. 4. 7 9. 5. 6. 7. 8.. 1 6 7 3 3 3 4 4 6 1. 26. 0. 7. 1. 2. 3. 4.. 8 9 1 3 4 6 8 9 2 6 6 7 0 Section 10.2. BJU Press. Unauthorized reproduction prohibited..
(8) 27. 20 1 8. 30.. 21 5 6 7 7 9 9 22 1 2 4 5 8 28. 66 1. 67 2 3 3 4 7 9 9 68 1 2 3 8 69 1 3 5. 31.. 29.. Section 10.2 BJU Press. Unauthorized reproduction prohibited..
(9) 32. positive. 41. 62 mi./hr.. 33. negative. 42. 42 calls/min.. 34. neither. 43. $0.08/oz.. 35. $63,800. 44. 472.5. 36. median = $35,000; mean = $44,400. 45. 41.16. 37. median 38. ≈ $66,662; no. 46. 5,248 47. 16.8 48. 51. 39. 63 words/min. 40. 145 bu./acre Section 10.2 BJU Press. Unauthorized reproduction prohibited..
(10) 10.3 Histograms. 1. Scores (D) Tally Freq ( f ) Product (Df ) 10. ||. 2. 20. 11. |. 1. 11. 12. |||. 3. 36. 14. |. 1. 14. 15. ||||. 4. 60. 17. |. 1. 17. 18. ||. 2. 36. 19. |. 1. 19. 20. |||. 3. 60. 18. 273. Totals. BJU Press. Unauthorized reproduction prohibited..
(11) 2. Scores (D) Tally. Freq ( f ). Product (Df ). 3. |. 1. 3. 4. |. 1. 4. 5. ||. 2. 10. 6. ||. 2. 12. 7. ||||. 4. 28. 8. ||. 2. 16. 9. ||||. 4. 36. 10. ||||. 4. 40. 20. 149. Totals. BJU Press. Unauthorized reproduction prohibited..
(12) 3.. Scores (D) Tally. Freq ( f ). Product (Df ). 60. |. 1. 60. 75. |||. 3. 225. 80. ||||. 4. 320. 85. |||. 3. 255. 90. ||. 2. 180. 95. |. 1. 95. 100. |||. 3. 300. 17. 1,435. Totals. Section 10.3 BJU Press. Unauthorized reproduction prohibited..
(13) 4. Scores (D) Tally. Freq ( f ). Product (Df ). 200. ||||||. 6. 1,200. 225. |||. 3. 675. 250. |||. 3. 750. 275. |||. 3. 825. 15. 3,450. Totals. Section 10.3 BJU Press. Unauthorized reproduction prohibited..
(14) 5.. Scores (D). Tally. Freq ( f ). Product (Df ). 4. |. 1. 4. 5. ||. 2. 10. 6. |||. 3. 18. 7. |||. 3. 21. 8. ||||. 4. 32. 9. ||||||. 6. 54. 10. ||||. 4. 40. 23. 179. Totals. Section 10.3 BJU Press. Unauthorized reproduction prohibited..
(15) 6. range: 28; mean: 84.2; median: 84; mode: 76. 11. range: 13; mean: 13; median: 12; mode: 9. 7. range: 12; mean: 65.4; median: 66; mode: 68. 12. 1 13. 4. 8. range: 60; mean: 73.7; median: 70; mode: 70 and 90. 14. 27. 9. range: 9; mean: 36.1; median: 36.5; mode: 37. 16. 81–85. 15. 81–85. 10. range: 50; mean: 182.4; median: 185; mode: 160. Section 10.3 BJU Press. Unauthorized reproduction prohibited..
(16) 17. mean = 12.9. 18. mean ≈ 69.5. Mdpt. Freq. Product. (m). (f). (mf). 0–9. 4.5. 7. 31.5. 10–19. 14.5. 8. 20–29. 24.5. Interval. Totals. Interval Mdpt Freq Product (m). (f). (mf). 40–49. 44.5. 3. 133.5. 116. 50–59. 54.5. 1. 54.5. 4. 98. 60–69. 64.5. 4. 258. 19. 245.5. 70–79. 74.5. 3. 223.5. 80–89. 84.5. 3. 253.5. 90–99. 94.5. 2. 189. 16. 1,112. Totals. Section 10.3 BJU Press. Unauthorized reproduction prohibited..
(17) 20. mean ≈ 40.3. 19. mean ≈ 31.6 Interval Mdpt Freq Product. (m). (f). (mf ). 0–19. 9.5. 1. 9.5. 73.5. 20–39. 29.5. 6. 177. 3. 103.5. 40–59. 49.5. 4. 198. 5. 222.5. 60–79. 69.5. 2. 139. 14. 443. Totals. 13. 523.5. (m). (f). (mf ). 10–19. 14.5. 3. 43.5. 20–29. 24.5. 3. 30–39. 34.5. 40–49. 44.5. Totals. Interval Mdpt Freq Product. Section 10.3 BJU Press. Unauthorized reproduction prohibited..
(18) 22. mean = 274.5. 21. mean ≈ 34.1 Interval Mdpt Freq Product. Mdpt Freq Product (f). (mf ). 100–199 149.5. 5. 747.5. 147.5. 200–299 249.5. 1. 249.5. 1. 49.5. 300–399 349.5. 4. 1,398. 3. 208.5. 400–49. 2. 899. 13. 443.5. Totals. 12. 3,294. (m). (f). (mf ). 0–19. 9.5. 4. 38. 20–39. 29.5. 5. 40–59. 49.5. 60–79. 69.5. Totals. Interval. (m). 449.5. Section 10.3 BJU Press. Unauthorized reproduction prohibited..
(19) 23. range: 24; median interval: 20 – 24; modal interval: 20 – 24; mean ≈ 21.375. 26. range: 499;median interval: 300–399; modal interval: 400–499; mean ≈ 374.8. 24. range: 29; median interval: 25 – 29; modal interval: 25 – 29; mean ≈ 24.0. 27.. 25. range: 49; median interval: 20 – 29; modal interval: 20 – 29; mean ≈ 22.8. Section 10.3 BJU Press. Unauthorized reproduction prohibited..
(20) 28.. 29.. Section 10.3 BJU Press. Unauthorized reproduction prohibited..
(21) 30.. Section 10.3 BJU Press. Unauthorized reproduction prohibited..
(22) 31.. Data (D). Tally. Freq ( f ). Product (Df ). 80. |. 1. 80. 81. |||. 3. 243. 82. ||||. 4. 328. 83. |. 1. 83. 84. ||||. 4. 336. 85. ||||. 4. 340. 86. |. 1. 86. 87. |. 1. 87. 88. |. 1. 88. 89. |||. 3. 267. 90. |. 1. 90. 91. |||. 3. 273. 92. ||. 2. 184. 95. |. 1. 95. 30. 2,580. Totals BJU Press. Unauthorized reproduction prohibited..
(23) 31. (continued) range: 15; mean: 86; median: 85; mode: 82, 84, and 85. 33. alarm clock: $24.50, answering machine: $27.00 34. 18 biographies, 90 fiction 35. 450 min.. 32.. 36. Aimee: 26 bars, Keisha: 55 bars 37. high: 92°, low: 62° 38. {(0, 5), (6, 29), (9, 41)} 39. {(–2, –4), (–1, –6), (3, –14), (5, –18)} Section 10.3. BJU Press. Unauthorized reproduction prohibited..
(24) 40. {(–2, –16), (–1, –8), (0, 0), (2, 16)} 41. {(–3, 13.7), (–1, 7.3), (0, 4.1), (1, 0.9), (4, –8.7)} 42. {(–9, –7), (–6, –5), (0, –1), (3, 1)}. Section 10.3 BJU Press. Unauthorized reproduction prohibited..
(25) 10.4 Graphing Data. 1. stem-and-leaf. 10. Feb.-Mar.. 2. histogram 3. box-and-whisker 4. bar graph 5. scatterplot 6. 30 7. Feb. 8. Jan.-Feb. and Mar.-Apr. 9. May BJU Press. Unauthorized reproduction prohibited.. 11..
(26) 12.. 14.. 13.. Section 10.4 BJU Press. Unauthorized reproduction prohibited..
(27) 15.. 17.. 16.. 18.. Section 10.4 BJU Press. Unauthorized reproduction prohibited..
(28) 19.. 21.. 20.. Section 10.4 BJU Press. Unauthorized reproduction prohibited..
(29) 22.. 24. As: 72°; Bs: 90°; Cs: 144°; Ds: 36°; Fs: 18° 25. sixth graders: 144°; seventh graders: 126°; eighth graders: 90°. 23. schools: 144°; police: 72°; fire dept.: 54°; parks: 54°; indebtedness: 36°. 26. As: 32°; Bs: 85°; Cs: 180°; Ds: 53°; Fs: 11°; Rounding causes the total to exceed 360°. Section 10.4 BJU Press. Unauthorized reproduction prohibited..
(30) 27.. 29.. 30. 28.. Section 10.4 BJU Press. Unauthorized reproduction prohibited..
(31) 31. pie chart 32. scatterplot. 39. dachshund and German shepherd. 33. line graph 34. histogram. 40.. 35. German shepherd; poodle 36. poodle, dachshund, German shepherd, beagle 37. below 38. beagles. Section 10.4 BJU Press. Unauthorized reproduction prohibited..
(32) 41. Answers will vary.. 49. 26. 42. 80%. 50. y > –. 43. $164,000. 51. x < 0.42. 44. $180,400 45. 46.. 13 18 29 40. 16 3. 52. y >. 43 7. 53. x < –1.05 54. x ≤ –. 1 6. 47. 11.01 48.. −3 8. Section 10.4 BJU Press. Unauthorized reproduction prohibited..
(33) Problem Solving 10—Make a Graph. 1.. 2. $8,400 3.. 4. $5,900; $3,400 5. $18,600; $12,100; $5,600 40 problems; 92% BJU Press. Unauthorized reproduction prohibited..
(34) 6–8.. 6. Basic Fitness is $20 cheaper 7. E-Z Fit is $70 cheaper 8. 5 months. Problem Solving 10 2009 BJU Press. Unauthorized reproduction prohibited..
(35) 10.5 Fundamental Principle of Counting. 1. 12. 10. 25. 2. 15. 11. 30. 3. 24. 12. 15. 4. 8. 13. 21. 5. 12. 14. 20. 6. 15. 15. 24. 7. 9. 16. 8. 8. 9. 17. 21. 9. 6. 18. 168. BJU Press. Unauthorized reproduction prohibited..
(36) 19. 130. 28. 64. 20. 720. 29. 30. 21. 1,000. 30. 6. 22. 30. 31. 20. 23. 216. 32. 42. 24. 970,200. 33. 18. 25. 120. 34. 70. 26. 5,100,480. 35. 168. 27. 360. 36. 3 Section 10.5. BJU Press. Unauthorized reproduction prohibited..
(37) 37. 6. 44. 9. 38. 24. 45.. 39. 60 40. 120 41.. −21 5. 8 9. 46. y > 3 47. x > 0.37 48. y > 1.17. 42. 1.33. 49. x > 1.16. 43. 45.26. 50. a ≥ –497. Section 10.5 BJU Press. Unauthorized reproduction prohibited..
(38) 10.6 Permutations. 1. 720. 10. 86,400. 2. 362,880. 11. 16. 3. 24. 12. 240. 4. 5,040. 13. 720. 5. 1. 14. 24. 6. 40,320. 15. 6. 7. 12. 16. 5,040. 8. 480. 17. 40,320. 9. 144. 18. 120. BJU Press. Unauthorized reproduction prohibited..
(39) 19. 12. 28. 56. 20. 120. 29. 840. 21. 120. 30. 2,730. 22. 30. 31. 336. 23. 360. 32. 120. 24. 1,680. 33. 24. 25. 210. 34. 870. 26. 15,120. 35. 30. 27. 24. 36. 210 Section 10.6. BJU Press. Unauthorized reproduction prohibited..
(40) 37.. 500P3. 38.. 28P4. 39. 4P2 40.. 26P3. 41.. 42. American: 4.35; National: 4.34 43. The "average" or mean ERA of the National league is lower than that of the American league 44. The median ERA of the American league (4.19) is lower than that of the National league (4.27). Section 10.6 BJU Press. Unauthorized reproduction prohibited..
(41) 45. 10, 20, 30. 50. 42 and 43. 46. –8, –10, –11. 51. –16 and –15. 47. –8, 0, 16. 52. 5 and 7. 48. 10, 15. 53. printer: $1,025; laptop: $1,225. 49. –1, 0, 2. 54. at most 4 ties. Section 10.6 BJU Press. Unauthorized reproduction prohibited..
(42) 10.7 Combinations. 1. combination. 10. combination. 2. combination. 11. 10. 3. permutation. 12. 20. 4. permutation. 13. 21. 5. combination. 14. 4. 6. permutation. 15. 28. 7. permutation. 16. 28. 8. combination. 17. 6. 9. permutation. 18. 1. BJU Press. Unauthorized reproduction prohibited..
(43) 19. 495. 28. P; 5,040. 20. 10. 29. C; 10. 21. C; 220. 30. C; 3. 22. P; 79,833,600. 31. P; 6. 23. C; 35. 32. P; 720. 24. C; 6. 33. 8,568. 25. P; 24. 34. 792. 26. C; 35. 35. 6. 27. C; 36. 36. 220; 15; 3,300 Section 10.7. BJU Press. Unauthorized reproduction prohibited..
(44) 37. 2,970 38. 1.6; 160%. 43.. 13 2. 44.. 17 6. 45.. −5 23. 46.. 1 2. 47.. −5 6. 39. 0.571; 57.1% 40. 0.24; 24% 41. 0.607; 60.7% 42. 0.813; 81.3%. Section 10.7 BJU Press. Unauthorized reproduction prohibited..
(45) 10.8 Probability. 1.. 4 15. 7.. 1 6. º 0.17. 2.. 2 5. = 0.4. 8.. 1 2. = 0.5. 3.. 1 3. º 0.33. 9.. 1 3. º 0.33. 4.. 5 8. º 0.63. 10.. 5 6. º 0.83. 5.. 3 8. º 0.38. 11. 0. º 0.27. 6. 1. BJU Press. Unauthorized reproduction prohibited.. 12.. 1 8. º 0.13.
(46) 13.. 1 4. = 0.25. 19.. 1 2. = 0.5. 14.. 3 8. º 0.38. 20.. 2 3. º 0.67. 15.. 1 4. = 0.25. 21.. 1 3. º 0.33. 16.. 1 6. º 0.17. 22. 1. 17. 18.. 1 2 2 3. = 0.5. 23.. 1 6. º 0.17. 24. 0 º 0.67. 25. 0. Section 10.8 BJU Press. Unauthorized reproduction prohibited..
(47) 26.. 17 20. 27.. 2 5. = 0.85. = 0.4. 28. 1 29.. 3 4. = 0.75. 30.. 2 5. = 0.4. 31.. 3 8. º 0.38. 5 8. º 0.63. 32.. 33.. 3 4. = 0.75. 34. 3 = 0.75 4. 35.. 7 8. º 0.88. 36.. 5 8. º 0.63. 37.. 2,900 240,000. = 0.012 = 1.2%. 38.. 6,000 240,000. = 0.025 = 2.5%. Section 10.8 BJU Press. Unauthorized reproduction prohibited..
(48) 39.. 16,820 240,000. = 0.07 = 7%. 45. about 7 hits 46. .335. 40.. 223,180 240,000. 41.. 15. = 0.93 = 93%. C3 × 13 C2 28 C5. C5 28 C5. 42.. 15. 43.. 15. C1 × 13 C4 28 C5. 44. American: .025 National: .020. 47. about 18 hits 48. at least $17 49. at most 79 points 50. at least $81 51. 12 sets of towels 52. not more than $11.66 per meal. Section 10.8 BJU Press. Unauthorized reproduction prohibited..
(49) 53. 17x2 – 17x 3. 54. –12x –. 50 2 x 7. + 5x. 55. –2b – 31.3c 56. −. 135a 16. + 3b. 57. 142.9x2 – 504.6x + 102.5. Section 10.8 BJU Press. Unauthorized reproduction prohibited..
(50) 10.9 Independent and Dependent Events. 1. independent. 10. independent. 2. independent. 11.. 1 24. 12.. 1 8. = 0.125. 13.. 3 8. = 0.375. 14.. 1 12. 15.. 1 6. 3. dependent 4. dependent 5. independent 6. dependent 7. independent 8. dependent 9. dependent BJU Press. Unauthorized reproduction prohibited.. º 0.042. º 0.083 º 0.167.
(51) 16.. 5 8. = 0.625. 17. 0 18.. 1 4. 19.. 1 12. º 0.083. 20.. 1 36. º 0.028. 21.. 1 4. = 0.25. 22.. 1 6. º 0.167. = 0.25. 23.. 1 4. = 0.25. 24.. 1 4. = 0.25. 25.. 1 30. º 0.033. 26.. 1 10. = 0.1. 27. 28.. 1 10 3 10. = 0.1 = 0.3. Section 10.9 BJU Press. Unauthorized reproduction prohibited..
(52) 29.. 1 15. º 0.067. 30.. 1 10. = 0.1. 31.. 1 56. º 0.018. 36.. 2 25. 32.. 1 28. º 0.036. 37.. 2 5. 38.. 4 125. 39.. 2 5. 33. 0 34. 35.. 1 14. º 0.071. 1 28. º 0.036. 36–40.. = 0.08. = 0.4 = 0.032. = 0.4. 40. no; yes Section 10.9. BJU Press. Unauthorized reproduction prohibited..
(53) 41.. 1 2. 42. − 43.. 46 – 50. 6 5. 4 9. 44. –164.8 45. 3.15. Section 10.9 BJU Press. Unauthorized reproduction prohibited..
(54) Math and Scripture 10. 1. so Israel would not think their own power had delivered them. 6.. 10,000 32,000. =. 5 16. 7.. 300 10,000. =. 3 100. = 0.03. 8.. 300 32,000. =. 3 320. ≈ 0.0094. 2. 32,000 3. 10,000 4. 300 5. 15,000. BJU Press. Unauthorized reproduction prohibited.. ≈ 0.31.
(55) 9. Answers will vary. God deserves the credit, not people. He often works powerfully through people who trust Him, making it obvious that the glory goes to Him. In spite of fears and inadequacy, the men must do their part in battling the enemies of God. Those who obey God will experience great blessing in serving Him. Math and Scripture 10 BJU Press. Unauthorized reproduction prohibited..
(56) Chapter 10 Review. 1. 84. 10. 9.5. 2. 86. 11.. 3. no mode 4. 23 5. population 6. sample 7. 68 8. 62.5 9. 72 BJU Press. Unauthorized reproduction prohibited.. 12. 6 4 6 7 5 6 9 9 8 1 2 5 9 9 1 2.
(57) 13.. 15. Interval Mdpt Freq Prod. 14. range: 7; mean: 38.2; median: 38; mode: 36. (m). (f). (mf). 50–59 54.5. 2. 109. 60–69 64.5. 1. 64.5. 70–79 74.5. 9. 670.5. 80–89 84.5. 3. 253.5. 90–99 94.5. 5. 472.5. Total. 20 1,570 Chapter 10 Review. BJU Press. Unauthorized reproduction prohibited..
(58) 16. range: 41; mean: 78.5; median interval: 70–79; modal interval: 70–79. 18.. 17.. Chapter 10 Review BJU Press. Unauthorized reproduction prohibited..
(59) 19.. 20.. 21. 24 22. 3,360; 560 23. 32 Chapter 10 Review BJU Press. Unauthorized reproduction prohibited..
(60) 24. 120. 33. 210. 25. 5,040. 34.. 28C10. 26. 1. 35.. 2 5. = 0.4. 36.. 3 5. = 0.6. 37.. 3 5. = 0.6. 27. 6 28. 360 29. 10 30. 35. 38. 1. 31. 362,880 32. 28. 39.. 5 6. º 0.83. Chapter 10 Review BJU Press. Unauthorized reproduction prohibited..
(61) 40.. 5 6. º 0.83. 46.. 1 2. 41.. 1 2. = 0.5. 47.. 1 20. = 0.05. 42.. 5 6. º 0.83. 48.. 3 10. = 0.3. 43.. 1 12. 49.. 3 10. = 0.3. 44.. 1 2. = 0.5. 45.. 1 4. = 0.25. º 0.083. = 0.5. Chapter 10 Review BJU Press. Unauthorized reproduction prohibited..
(62) 50. Human calculations of the chance that an event will occur are unnecessary with God. In the case of Gideon’s army, the probability of winning when outnumbered 450 to 1 was about 0, but God has the power to bring victory with a few (or even one) if He so desires.. Chapter 10 Review BJU Press. Unauthorized reproduction prohibited..
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