若用方差分析来比较三种药物对大鼠尿中氨基氮排出量的影响,变异分解正确的为

A、SS[img=~/QImg/2013-10-14-11-38-02/image001.gif]=SS[img=~/QImg/2013-10-14-11-38-02/image002.gif]+SS[img=~/QImg/2013-10-14-11-38-02/image003.gif]
B、MS[img=~/QImg/2013-10-14-11-38-02/image001.gif]=MS[img=~/QImg/2013-10-14-11-38-02/image002.gif]+MS[img=~/QImg/2013-10-14-11-38-02/image003.gif]
C、SS[img=~/QImg/2013-10-14-11-38-02/image001.gif]=SS[img=~/QImg/2013-10-14-11-38-02/image004.gif]+SS[img=~/QImg/2013-10-14-11-38-02/image005.gif]+SS[img=~/QImg/2013-10-14-11-38-02/image006.gif]
D、SS[img=~/QImg/2013-10-14-11-38-02/image001.gif]=SS[img=~/QImg/2013-10-14-11-38-02/image003.gif]+SS[img=~/QImg/2013-10-14-11-38-02/image002.gif]+SS[img=~/QImg/2013-10-14-11-38-02/image007.gif]
E、MSz=MS[img=~/QImg/2013-10-14-11-38-02/image001.gif]+MS[img=~/QImg/2013-10-14-11-38-02/image001.gif]+MS[img=~/QImg/2013-10-14-11-38-02/image001.gif]