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CHARLES ZELENY AND E. W. MATTOON 



TABLE 5 



Minus selection 



Line E 



corresponding decreases in the minus lines are only 5.7, 4.0 and 

 4.6. 



Regression toward the mean of the miselected population 

 decreases with successive selections. (Table 8.) The average 

 regression in the three plus lines is 0.67 for the first selection, 



