For Exercises 16.1 and 16.2, see page 16-5; for 16.3 and 16.4, see page 16-6; for 16.5 and 16.6, see page 16-8; for 16.7, see page 16-11; for 16.8, see page 16-12.
16.1 Numbers of rooms in top spas.
A report of a readers’ poll in Condé Nast Traveler magazine ranked 100 top resort spas.1 Let Group A be the 25 top-ranked spas, and let Group B be the spas ranked 26 to 50. A simple random sample of size 5 was taken from each group, and the number of rooms in each selected spa was recorded. Here are the data.
| Group A | 106 | 145 | 312 | 60 | 49 |
| Group B | 190 | 500 | 1293 | 161 | 225 |
Rank all the observations together and make a list of the ranks for Group A and Group B.
16.1
Group A ranks are 1, 2, 3, 4, 8. Group B ranks are 5, 6, 7, 9, 10.
spas