Question: ( a ) A manager in a paper production facility installs one of three incentive programs in each of nine plants to determine the effect
a A manager in a paper production facility installs one of three incentive programs in each of nine plants to determine the effect of each program on the overall productivity of the facility.
A
A designed study because the analyst controls the specification of the treatments and the method of assigning the experimental units to a treatment
B An observational study because the analyst controls the specification of the treatments and the method of assigning the experimental
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