4 Harris, A quantitative study <>t' the (actors Influencing etc. 



All are of a low order of magnitude. Of the 20,16 would 

 ordinarily be coiisidered Statist ically significant in comparison with 



Table IL 



their probable errors. But it must be remembered that when cor- 

 relation is low the probable error calculated by the ordinary formula 



J ) Sheppard's Correction was applied to Seed Weight. 



