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Top tier represents a level of achievement or stature that exceeds most competitors and would equate to the penultimate stratification, such as top quartile or greater than 2 standard deviations beyond the mean. It may have subjective and regional significance, but most evaluators would agree that superior group that outperforms 95% of all others in a given discipline has reached top tier status.

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Lelia Bernier

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3y ago

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