Chapter 8 Data Sets Case Study   Exercises 8.3 8.4 8.7 8.8 8.9 8.10 8.11 8.12 8.31 8.32 8.33 8.34 8.39 8.40 8.41 8.42 8.43 8.48 8.49 8.93 8.94 8.95 8.96 8.99 8.100 8.101 8.102 8.103 8.104 8.105 8.106 8.114 8.115 8.116 8.117   Review Problems 13 18 19 20 21 22   Tables 8.1 8.2 8.3 8.5 8.6 8.7