28 MASS. EXPERIMENT STATION BULLETIN 149. 



Table 1. — Size of Apples 



Tree No. 4- 

 [Millimeters.] 



Concluded. 



Year. 



Mean. 



Standard 

 Deviation. 



Coefficient 



of 

 Variability. 



1909, 

 1910, 

 1911, 

 1913, 



74.39±.14 



76.90±.27 

 71.7S±.08 

 66.91±.20 



5.01=t.l0 

 5.57±.19 

 4.58±.06 

 6.52±.15 



6.7.T=t.i5 

 7.24±.30 

 6.38±.06 

 9.74±.22 



Parts of the Trees. 

 Upper South. 



1909, 

 1912, 



76.91±.1S 

 77. 50 =t. 22 



5.61=t.l2 

 5.47±.16 



7.29=t.l6 

 7.06=>=.20 



