9.18 To tip or not to tip: women customers.
Refer to the previous exercise. Here are the data for the 304 female customers who participated in the study.
tipfem
| Shirt color | |||||||
|---|---|---|---|---|---|---|---|
| Tip | Black | White | Red | Yellow | Blue | Green | |
| Yes | 18 | 16 | 15 | 19 | 16 | 18 | |
| No | 33 | 32 | 38 | 31 | 31 | 37 | |
476
Using the questions for the previous exercise as a guide, analyze these data and compare the results with those you found for the male customers.