Variation and Correlation of Oats — Part I 



33 



40-45 

 45-50 

 50-55 

 55-60 

 60-65 

 65-70 

 70-75 

 75-80 

 80-85 

 85-90 

 90-95 



1 



2 



3 



4 



5 



6 



7 



8 



9 10 11 





1 

















1 



1 

 5 

 2 



1 

 3 



3 



5 



1 











3 



13 



11 



8 











1 



3 



8 



27 



15 



7 











3 



12 



29 



35 



8 



3 



3 



1 





2 



6 



22 



45 



10 



3 



7 



2 



1 1 





2 



15 



48 



16 



13 



6 



2 





1 





6 



31 



17 



11 



2 











1 



8 



5 



1 



1 



2 





13 50 115 198 64 31 19 7 2 1 



Fig. 22. — Average height of plant in centimeters, subject 

 Number of culms per plant, relative. 1909 

 Coefficient of correlation =413 ± .025 



1 



3 



8 

 11 



36 

 60 

 94 

 99 

 102 

 68 

 18 



500 



55-60 

 60-65 

 65-70 

 70-75 

 75-80 

 80-85 

 85-90 



45-50 

 50-55 



55-60 

 60-65 

 65-70 

 70-75 

 75-80 

 80-85 

 85-90 

 90-95 





1 



1 







2 



3 



3 





1 



4 



9 



4 



2 



2 



6 



10 



13 



4 



1 



8 



40 



42 



6 



1 



15 



41 



53 



12 



2 



10 



22 



43 



11 



3 



4 



8 



8 



3 



1 



1 











50 134 167 38 10 1 



2 



9 



21 



34 



97 



123 



89 



24 







1 



400 



Fig. 23. — Average height of plant in centimeters, subject 

 Number of culms per plant, relative. 1910 

 Coefficient of correlation = .0^2 ± .03^ 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 12 13 14 



1 



6 



1 

 3 



2 















1 



10 



17 



9 



6 



2 











2 



5 



24 



32 



31 



26 



15 



3 



2 







2 



14 



29 



15 



18 



32 



7 



1 



3 1 





2 



2 



6 



5 



4 



14 

 1 



22 



1 



12 

 1 



6 



2 2 



4 25 61 78 61 61 70 23 9 5 2 1 



Fig. 24.— Average height of plant in centimeters, subject 

 Number of culms per plant, relative. 1912 

 Coefficient of correlation = .523 ± .024 



2 

 11 



45 



140 



122 



73 



7 



400 



