Question: The Ritz-Carlton Hotel used a customer opinion questionnaire to obtain performance data about its dining and entertainment services (The Ritz-Carlton Hotel. Naples. Florida. February 2006). Customers were asked to rate six factors: Welcome, Service. Food. Menu Appeal. Atmosphere. and Overall Experience. Data were recorded for each factor, with I for Fair. 2 for Average. 3 for Good, and 4 for Excellent.
a. The customer responses provided data for six variables. Are the variables categorical or quantitative?
b. What measurement scale is used?