A.(數(shù)據(jù)最大值-數(shù)據(jù)最小值)/2 B.(數(shù)據(jù)最大值-數(shù)據(jù)最小值)/組數(shù) C.(數(shù)據(jù)最大值-數(shù)據(jù)最小值)/數(shù)據(jù)數(shù) D.數(shù)據(jù)最大值/組數(shù)
A.眾數(shù) B.中位數(shù) C.極值 D.均值
A.組數(shù)乘以組寬 B.樣本數(shù) C.100% D.小于樣本數(shù)