單項(xiàng)選擇題

【A1型題】當(dāng)一組數(shù)據(jù)成正態(tài)分布時(shí)()

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

微信掃碼免費(fèi)搜題