XI 



XXVI. Table for finding the Modal Ordinate of Pearson Curves, 

 Types II and VII, including that of th<; r'lvqm.-iicy 

 Curve for the Correlation Coefficient in samph-.s 

 from uncorrcliif.t <l material ..... 



XXVII. Values of the Correlation of the Standard Deviations 

 for different values of the Correlation of the 

 Vari.ifcs in a Sampled Normal Population . . 



XXVIII. Values of the Correlation of the Standard Deviation of 

 one Variate with the Coefficient of Correlation of 

 the two Variates in Samples of Different Si/< -s 

 from a Normal Population ..... 



XXIX. Ratio of the Mean Standard Deviation of the Arrays in 



a Sample to the Array Standard Deviation in a 

 Sampled Normal Population ..... 



XXX. Values of the Ratio <r aa /(<r 0ai ) L for various sized Samples 



from a Bivariate Normal Population . . . 



XXXI. Constants for ?--curves in Samples of 2, 3, 4, 25, 50, 100, 



200 and 400 from a Bivariate Normal Population . 



XXXII. Table of the Ordinates and Constants of the Curves for 



the Distribution of the Coefficient of Correlation 

 in small Samples . ..... 



XXXIII. Table to assist the Calculation of the Ordinates of 



Frequency Curves for r from Expansion Formulae . 



XXXIV. Table to assist the Use of the Coefficient of Correlation 



Curves in the case of other Frequency Distribu- 

 tions with like fa and /3 2 ..... 



cxliii 



cxliv 



cxlix 



clii 



clii 



clxiv 



clvi 



civ 



clvii 



179 



I so 



180 



181 

 181 

 182 



185 

 212 



219 

 221 



XXXV and XXXVI. Tables to determine the Probability that a 

 Sample has been drawn from a Normal Population 

 with a specified Mean and Standard Deviation . clxxx 



XXX VII a ~ b . Single Test of the Probability that two Samples have 



been drawn from the same Normal Population . clxxxv 



XXXVII bis. Table of 5 % and 1 % Probability Limits for V&, fa 



and /3 2 in Random Samples from a Normal Population clxxxvi 224 



XXXVIII XLI. Tables to assist the Computation of the Abrupt- 



ness Coefficient for correcting Moment Coefficients 



in the case of Asymptotic Frequency . . . clxxxvii 225 



ftS 



