Z检验临界值的正确表达为
A.当a=0.05时,Z0.05/2=1.64 B.当a=0.05时,Z0.05/2=1.96 C.当a=0.01时,Z0.01/2=2.58 D.当a=0.05时,Z0.05/2=3.84 E.当a=0.01时,Z0.01/2=6.63正确答案BC
Z检验临界值的正确表达为
A.当a=0.05时,Z0.05/2=1.64 B.当a=0.05时,Z0.05/2=1.96 C.当a=0.01时,Z0.01/2=2.58 D.当a=0.05时,Z0.05/2=3.84 E.当a=0.01时,Z0.01/2=6.63正确答案BC