7.106 Average service time.
Recall the drive-thru study in Exercise 7.57 (page 395). Another benchmark that was measured was the service time. A summary of the results (in seconds) for two of the chains is shown here.
Chain | |||
---|---|---|---|
Taco Bell | 308 | 158.03 | 35.7 |
McDonald’s | 317 | 189.49 | 42.8 |