Which of the following below is a discrete variable?
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a. The amount of time it takes to complete a test.
b. The heights of giraffes in zoos across the United States.
c. The length of time it takes to do a Federal tax return.
d. The weights of the tackles in professional football teams.
e. none of these

July 29th, 2010 at 6:30 pm
e. none of these
They are all continuous quantities (time, height, length, weight).
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July 30th, 2010 at 7:31 am
b) and d)
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