Classify each of the following qualitative variables as ordinal or nominative. Explain your answers.
Qualitative Variable Categories
Statistics course letter grade.... A B C D F
Door choice on Let’s Make A Deal.. Door # 1 Door # 2 Door # 3
Television show classifications.... TV- G TV- PG TV- 14 TV- MA
Personal computer ownership..... Yes No
Restaurant rating........ ***** **** *** ** *
Income tax filing status.... Married filing jointly Married filing separately Single Head of household Qualifying widow(er)