直线回归分析中,X的影响被扣除后,Y方面的变异可用下列哪项指标表示

A、[img=~/QImg/2013-10-14-11-12-39/image021.jpg]
B、[img=~/QImg/2013-10-14-11-12-39/image022.jpg]
C、[img=~/QImg/2013-10-14-11-12-39/image023.jpg]
D、[img=~/QImg/2013-10-14-11-12-39/image024.jpg]
E、以上均不对