在线性回归模型y=β0+β1Xi+εi(i=1,2,…n)中,总的偏差平方和为SST,剩余平方和为SSE,回归平方和为SSR,三者之间的关系是
A.SSE=SST+SSR
B.SSR=SST+SSE
C.SST=SSE+SSR
D.SST+SSE+SSR=0
正确答案是C
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