GMAT Critical Reasoning (CR) | Following a state-wide boom in voter registration and partic

Following a state-wide boom in voter registration and participation, Lakeview's election board claimed that the increased participation in its precinct resulted from the new busing campaign that brought many voters to their neighborhood polling station on Election Day.

Which of the following, if it could be carried out, would be most useful in anevaluation of Lakeview's assessment of the causes of the increased voter participation in its precinct?

A. Determining the average increase in voter participation
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