A.X的取值 B.Y的取值 C.1XX D.1yy E.1xy
A.均數(shù)和中位數(shù)B.均數(shù)和標(biāo)準(zhǔn)差C.均數(shù)和極差D.中位數(shù)和方差E.幾何均數(shù)和標(biāo)準(zhǔn)差
A.90.0% B.95.0% C.97.5% D.99.0% E.99.5%