MEASUREMENTS OF TYPE AND VARIABILITY 



13 



TABLE VII. 



RELATION OF AMOUNT OF VARIABILITY TO AMOUNT OF CENTRAL TENDENCY. 

 SPAN. (Biometrika, Vol. II., pp. 399-401) 



Daughters. 

 N. C.T. Var. 



15.5 

 52 



101 



150 



199 



438 



169.5 



151.5 

 81.5 

 40.5 

 19.5 



585 471 



595 447 



600 466 



613 515 



620 485 



625 510 



650 492 



660 605 



660 601 



665 481 



680 436 



As a final case let us take stature. Here the variability is 

 slightly less as the amount of the central tendency increases. The 

 facts are given in Table VIII. constructed on the same plan as 

 Table VI. 



TABLE VIII. 



RELATION OF AMOUNT OF VARIABILITY TO AMOUNT OF CENTRAL TENDENCY IN 



GROUPS DIFFERING IN CENTRAL TENDENCY. STATURE. 



(Biometrika, Vol. I., p. 216) 



Related to x. 

 10.0 



.1 



.2 



.3 



.4 



.5 



.6 



.7 



.8 



.9 

 11.0 



.1 



.2 



.3 



.4 



.5 



.6 



.7 



.8 



.9 

 12.0 



.1 



.2 



.3 



.4 



.5 



.6 



.7 



.8 



.9 

 13.0 



44 



74 



177 

 315 

 347 

 461 

 458 

 346 

 289 



180 



44 

 52 

 35 

 31 

 25 

 -7 

 8 



C.T. 

 61.1 

 61.1 

 60.6 

 60.7 

 62.3 

 62.8 

 62.8 

 62.1 



63.6 



64.6 

 65.1 

 66.1 

 66.1 

 67.1 



67.1 



67.6 

 69.6 

 69.6 

 68.6 

 70.1 

 69.1 

 69.1 



A.D. 

 286 

 146 

 190 

 179 

 170 

 183 

 132 

 153 



137 



155 

 152 

 158 

 156 

 147 



157 



170 

 158 

 147 

 127 

 148 

 136 

 264 



