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Granularity and Aggregation
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GMAT
DI.018 Granularity and Aggregation
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A district-year table reports total spending and graduation rate for each district and year. Which analysis requires school-level data?
A
Which district-year has the highest reported graduation rate.
B
Total spending across district-years in the table.
C
Whether higher spending within a district is concentrated in schools with higher graduation rates.
D
Whether a district's graduation rate rose from one year to the next.
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