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show-that-1-n-xy-x-y-n-x-2-x-2-xy-xy-2-where-x-x-x-and-y-y-y-

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Question Number 167963 by Trissa last updated on 30/Mar/22
show that_β_(1 =( nΣxy−ΣxΣy)/(nΣx^2 −(Σx)^2 )=Σxy/Σ(xy)^(2 ) where x=(x−x^− ) and y=(y−y^− ) )
showthatβ1=(nΣxy−ΣxΣy)/(nΣx2−(Σx)2)=Σxy/Σ(xy)2wherex=(x−x−)andy=(y−y−)

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