單項選擇題

【A1型題】當一組數(shù)據(jù)成正態(tài)分布時()

A.算術均數(shù)>中位數(shù)
B.算術均數(shù)<中位數(shù)
C.算術均數(shù)≠中位數(shù)
D.算術均數(shù)≈中位數(shù)
E.算術均數(shù)≈中位數(shù)

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