An ordinal variable is one that contains categories that:

A. have an obvious ordering, and the difference in values is meaningful.
B. do not have an obvious ordering.
C. have an obvious order, but the difference in values is not meaningful.
D. None of the answers is correct.


Answer: C

Biology & Microbiology

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Experiments by Steve Tanner and colleagues (2000 ) with gray tree frogs demonstrated that female frogs preferentially mated with male frogs exhibiting ________

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Crossing smooth-seeded pea plants with wrinkled-seeded pea plants resulted in progeny that all had smooth seeds. This indicates that the wrinkled-seed trait is

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