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Percentage Points versus Percent Change
Grade Level
LSAT
LR.110 Percentage Points versus Percent Change
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Which answer choice best evaluates that comparison?
A
The two changes have the same proportional percent change, about 33.3%, but different percentage-point changes: Program A moved by 3 percentage points and Program B moved by 12 percentage points.
B
The two changes must also have the same percentage-point change because their proportional percent changes match.
C
Program A's change is smaller in every sense because its final rate is lower than Program B's final rate.
D
The rates cannot be compared because percentage-point changes are meaningful only for samples of the same size.
E
The relevant calculation uses the later rates, 12% and 48%, as the denominators.
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