Conttante of Range in Symmetrical Curves 107 



TABLE XXIII. . 



Distribution Constants of Range in Samples from Symmetrical Curves. 



Size of Sample. 



N.B. The Mean and Standard Error of Range are expressed in terms of the Population 

 Standard Deviation, <j. The Standard Errors of Centre and Median are given as multiples of the 

 Standard Error of the Mean, 7/Vn. Figures in italics are theoretical, the others are obtained 

 from experimental sampling. 



Constants of Distribution of Range in Samples from a Type III Curve. 



Size of Sample. 



N.B. The preceding footnote applies here. 



