What is the problem with the following example? Age: under 18 18 to 25 25 to 40 40 to 65 over 65 The categories are not:
a. empirical.
b. equal.
c. exclusive.
d. exhaustive.
ANS: C
Exclusive means datum must fit into only one of the categories. In this example, someone age 40 can fit into two categories.
Empirical is a term implying some objective reality.
The nonequal divisions would only relate to the level of measurement and not pose a problem.
The example gives age ranges that exhaust all possibilities.
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