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Mathematics
Senior High
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求解🙏🏻

6.某次段考全校100位同學的數學成績X與物理成績Y,經統計結果得X、Y的平 均數分別為Hx=52(分)、Hy=70(分)、變異數分別為=100、3=64、且 , (x-x)(y- My) + (x2+ μx) (Y₂+ My) ++ (100-μx)(Y100-y)=2500 : (1)Y對X之迴歸直線方程式為何?(10分) 04-1 (2)若某人數學得64分,試以對X之迴歸直線方程式,猜測他的物理成績應為幾 分?(10分)當做番为食品 配合例顯
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