APPENDIX B
Answers to Selected Odd-Numbered Quantitative Problems
1.7. a. ratio
- b. ratio
- c. ordinal
- d. nominal
- e. ratio
- f. ratio
- g. nominal
- h. ratio
1.9. a. 900 electric contractors
- b. 35 electric contractors
- c. average score for 35 participants
- d. average score for all 900 electric contractors
No answers given
3.1. 4, 4
3.3. 41.7
3.5. 19, 27, 17, 25, 30
3.7. 31.77, 28, 21
3.9. 32250, 286000, 8100, 79962.5, 293000, 842376
3.11. a. 8
- b. 2.041
- c. 6.204
- d. 2.491
- e. 4
- f. 0.69, –0.92, –0.11, 1.89, –1.32, –0.52, 0.29
3.13. a. 4.598
- b. 4.598
3.15. 58, 631.295, 242.139
3.17. a. .75
- b. .84
- c. .609
- d. .902
3.19. a. 2.667
- b. 11.060
- c. 3.326
- d. 5
- e. –0.85
- f. 37.65%
3.21. Between 113 and 137
- Between 101 and 149
- Between 89 and 161
3.23. 2.236
3.25. 95%, 2.5%, .15%, 16%
3.27. 4.64, 3.59, 1
3.29. 185.694, 13.627
3.31. a. 44.9
- b. 39
- c. 44.82
- d. 187.2
- e. 13.7
3.33. a. 38
- b. 25
- c. 32.857
- d. 251
- e. 15.843
3.35. skewed right
3.37. 0.726
3.39. no outliers. negatively skewed
3.41. 2.5, 2, 2, 7, 1, 3, 2
3.43. 472.19, 307.6, 188.6, 338.75, 918.5, 168.5, 469.5, 2130.1, 301
3.45. a. 414422, 417250
- b. 230640, 92580
- c. 5186094518.72, 72014.54
- d. –1.17,0.31
- e. –0.12
3.47. a. 33.412, 32.5
- b. 58.483, 7.647
3.49. 10.78%, 6.43%
3.51. a. 392 to 446, 365 to 473, 338 to 500
- b. 79.7%
- c. –0.704
3.53. skewed right
3.55. 21.93, 18.14
4.1. 15, .60
4.3. {4, 8, 10, 14, 16, 18, 20, 22, 26, 28, 30}
4.5. 20, combinations, .60
4.7. 38,760
4.9. a. .7167
- b. .5000 ...