Identify each as nominal,
ordinal, interval, or
ratio:

2.9.      The TV channel watched the
most on Thursday night in four cities.

2.10.    The percentage of respondents watching
each TV program at 8:00pm on Thursday.

2.11.    Ranking of the 5 most important problems
in the U.S.A. today.

2.12.    List of GMAT scores for the business
schools in the county.

2.13.    Classification of students by the state
where they were born.

2.14.    The number of residents in six different
states.

2.15.    Class rank.