Variation and Correlation of Oats — Part I 21 



0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5 8.5 9.5 10.5 11.5 12.5 13.5 



40-45 



o 





























45-50 

































50-55 



\' 





























55-60 



\ 



s/ 



























60-65 





\ 



y 

























65-70 







\ 

























70-75 









k 























75-80 











K 





















80-85 











^ 



\ 



















85-90 













\ 



V 

















90-95 















\ 



















Chart 1. — Regression for average height of plant and total yield for 1909, from Fig. 1 

 0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5 8.5 



45-50 

 50-55 

 55-60 

 60-65 

 65-70 

 70-75 

 75-80 

 80-85 



85-90 



90-95 



Chart 2. — Regression for average height of plant and total yield 

 for 1910, from Fig. 2 





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1 



o 





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