Intelligence test scores follow an approximately normal distribution, (meaning)

游客2025-05-08  0

问题 Intelligence test scores follow an approximately normal distribution, (meaning) that most people score near the middle of the distribution of scores, (and) scores (drop off) fairly rapidly in frequency as one moves in (either) direction from tile center.

选项 A、meaning
B、and
C、drop off
D、either

答案 B

解析
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