ON A NOVEL METHOD OF REGARDING ASSOCIATION 



27 



TABLE v.* 

 Values of Xo, for values 0/ ^ (1 + a). 



* Reprinted from Biometrika, Vol. ix. 



TABLE VI. 

 Extension of Sheppard's Table of the Probability Integral 



F= -7= I e"*'" dx, giving (— log J'') far x. 



To each of the values in this table -30103 must be added, if we wish to obtain the 

 probability that the value is greater than x, without regard to sign. 



