At least one of the variables is measured on an ordinal datatype
None of the above
5. Schiphol airport is typically busier in holiday periods than in regular working weeks. A marketing managers fears passengers are annoyed by waiting times during holiday periods. She therefore wants to know whether more complaints are made by passengers during holiday periods than during regular working weeks. She wants to test the hypothesis that the number of complaints made by passengers is higher during holiday weeks than during regular working weeks. Which test should she use?