from Wiktionary, Creative Commons Attribution/Share-Alike License.
- verb To use a grading system based on the scale of performance of a group to
normalizea right- skewedgrade distribution (with more lower scores) into a bell curve, so that more can receive higher grades, regardless of their actual knowledge of the subject; to curvea grade.
from Wiktionary, Creative Commons Attribution/Share-Alike License
The curve in the phrase is from the bell curve of a normal distribution.
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