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
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