A survey question to assess the average number of visits customers made to a car service department this year, using a ratio scale, would most likely look like the following:Rate the following on a scale of 1 to 3:
a. Number of scheduled visits: _____
b. Number of emergency visits: _____
c. Total number of visits: _____"

Alternatively, it could be presented as:

Please rank the following:
a. Scheduled visits
b. Emergency visits