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11. From the fact that SST = SSR+SSE and the definition of R², explain what SSE must equal if R2 = 0. 12. Suppose we have the
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11) We know that SST. SSR + SSE and R? - SSR SST If R²=0, then SSR sa - 0 SST or, SSR=0 SST = 0+ SSE or, SSE = SST must equal

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