Question 12.6

12.6 Which type of control chart?

For each of the following process outcomes, indicate if a variable control chart or an attribute control chart is most applicable:

  1. Number of lost-baggage claims per day.
  2. Time to respond to a field service call.
  3. Thickness (in millimeters) of cold-rolled steel plates.
  4. Percent of late shipments per week.