试题详情

若查表得到DW上、下限d_L和d_U,则DW检验的不确定区间为( )

Ad_U≤DW≤4-d_U

B4-d_U≤DW≤4-d_L

Cd_L≤DW≤d_U

D4-d_L≤DW≤4

E0≤DW≤d_L