Statistics for Business: Decision Making and Analysis, 3rd Edition

Think About It

1. 23.

   1. Employed and retired respondents found different rates of satisfaction in resolving the disputed charge.

   2. No. About 70% from each group were satisfied with the outcome of their call.

2. 25. Simpler if they are not associated because then the choice of the best color does not affect the packaging.

3. 27.

   1. Administration

   2. Yes, because the composition of the segments differs for the three groups

4. 29.

   1. Asia Pacific

   2. Latin America and Middle East/Africa

   3. Asia Pacific

   4. No

   5. Yes. Different manufacturers dominate in different regions.

5. 31. Only if the choice of color is not associated with the style of the vehicle

6. 33. Yes, fewer shoppers with children present would be expected late night.

7. 35. Association is not the same as causation, although ...