1134 



V = 



«Irj 5 «l7-2 1 • • • «l7-. 



a 



■pri ? «/:?-2 5 



i> 



/.,,/,, 



i>, 



«Ir, 



«Ir., 



«li 



p-1 





i>, 



KJh-.-.-^h- ,_^ 



T)k=T- 



Dk 



h,.Jlr^...hr^_^ 



01', if we introduce tlie mean eiTors f/ bv means of the formulae' 



1 



hi 



f/v/'2 



p-i 



P-i 



Before applying tliese results to questions concerning correlation 

 we shall first deduce simple expressions for the minors Bjjc of the 

 coefficients hj^ in the determinant E. 



If we i-epresent the minor of h^k ii' Hie determinant 



ill, ^12, • • • ^n- 



\f>j^\ = 



by ^jk, then for i< i),^^Q ■ 



1 7 n bhk 



— = II hkhX E=r+l 



A' .+1 ;^D«. 



^.7. = —^- = 



^k 



=+1 



2D'' 



?jk' 



Now 



_(-l)m- 



^A2/-li! ,-.42,- ,...2A-iiAj-i^i ,:EArtAjj^x^i ,. .:SA2iA,i 



:EAkli,i An, :S':iyt__i,, A.;,...:EAi,-u -'l^-V ' --4a~-i./ ^j-^U ,-2'Ak-u A,i 

 :EAhJ^\j An, 2A]c-\.\,i .42/,.-'^^U-+i,i --Ij-i,»" ' ^^A:+i,i ./ -\\.i ,..-2Ak-{.\,i Asi 



2A,i Ai; , :sk; A2i ,.-.^i/ Aj^ij , ^k./ ^;4.i,i ,...^i?i 



