For this Data Interpretation question, Greg explains how the number count in 1st percentile is equal to the number count in the 99th percentile. But the question does not explicitly state that the data is normally distributed. So, in real GRE, should I assume that it is normally distributed and choose C, or should I choose D, as it may not be normally distributed and thus the value can’t be determined?
No. It is C only because this is percentiles, and the distances are distinct.
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