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Business Statistics: For Contemporary Decision Making, 7th Edition
book

Business Statistics: For Contemporary Decision Making, 7th Edition

by Ken Black
October 2011
Intermediate to advanced content levelIntermediate to advanced
928 pages
36h 13m
English
Wiley
Content preview from Business Statistics: For Contemporary Decision Making, 7th Edition

APPENDIX B

Answers to Selected Odd-Numbered Quantitative Problems

Chapter 1

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

Chapter 2

No answers given

Chapter 3

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

Chapter 4

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 ...
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Publisher Resources

ISBN: 9781118213957Purchase book