A、总的变差平方和与残差平方和之差
B、无法用回归直线解释的离差平方和
C、回归值<IMG src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/c7a4bf50-224a-4d53-b2cb-da353e93405b.jpg"><SUB></SUB>与均值<IMG src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/9137e23b-06be-45dc-b168-b44aa3c03a20.jpg"><SUB></SUB>离差的平方和
D、实际值y与均值<IMG src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/bdf3e46a-be91-4f62-95c0-f0bd8ea6ed0f.jpg"><SUB></SUB>离差的平方和