Constants of Array in Samples 



181 



TABLE XXIX. 

 of Mean S.D. of Arrays in Samples to Array S.D. in Sampled Population. 



TABLE XXX. 

 Values of the Ratio <r aa j(<r<, )i,for Various Sized Samples. 



aa 



i = Mean Standard Deviation of Arrays in Samples. 

 = Standard Deviation of Standard Deviations of 



Arrays in Samples. 

 ^ = Standard Deviation of Array in Parent Popula- 



tion = 2i V1-/A 

 ) L = the value of <r, a in large Samples 



