试题详情

抽样调查设计效应经验取值范围一般为( ),在( )的置信度且最大方差情况下,我省吸烟率估计的抽样精度范围( )。

A1-2 ,93% ,0.50%-5%

B1-3 , 95% ,0.56%-4.92%

C2-3 , 94% ,0.55%-4.92%

D1-4 ,94% ,0.56%-4.92%