Mathematics
Senior High
第二小題要怎麼求？
資料x與資料)的相關數據如下:
10
10
10
x=300,y=280, Zx=9050, Zy=9090, xy=8625,則:
10M-30
M-28
10
j=1
(1)x與y的相關係數r=
29
i=1
i=1
(2)y對x的迴歸直線方程式為三
解:
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