POULTRY PROFITS 



91 



Table 18. 



Simple Correlations* with Labor Return per Bird, for Six Factors, and 

 Intercorrelations. (134 Poultry Farm Records, 1927) 



*\Vith 134 records, a correlation coefficient of zero would have a probable error of ± .058. 

 Hence any correlations of 0.18 or over may be regarded as probably not due to chance variations. 



Table 19. Net Correlations* with Labor Return per Bird, for Five Factors, and 

 Intercorrelations. (134 Poultry Farm Records, 1927) 



*With 134 records, a carralation coefficient of zero would have a probable error of + .058. 

 Hence any correlations of 0.18 or over may be regarded as probably not due to chance variations. 



Publication of this document approved by the 

 Commission on Administration and Finance 



3 M.-5-'29. No. 5794 



