A.總體參數(shù)的真實(shí)數(shù)值 B.總體參數(shù)的假設(shè)值 C.樣本統(tǒng)計(jì)量的真實(shí)值 D.樣本統(tǒng)計(jì)量的假設(shè)值
A.假設(shè)B.參數(shù)估計(jì)C.假設(shè)檢驗(yàn)D.雙側(cè)檢驗(yàn)
A.H0:π≤0.2,H1:π>0.2 B.H0:π=0.2,H1:π≠0.2 C.H0:π≥0.3,H1:π<0.3 D.H0:π≤0.3,H1:π>0.3