Q121: Nominal and ordinal attributes can be collectively referred to as___attributes Answer option A. perfectB. consistentC. qualitativeD. optimized AnswerAnswer C. qualitative Q122: The number of item sets of cardinality 4 from the items lists {A, B, C, D, E} Answer option A. 20B. 2C. 10D. 5 AnswerAnswer A. 20 Q123: Identify the example of Nominal…