A. Ritchie- Scott 
131 
Mean Individual 
dispersion dispersion 
•6553 -6421 
•6473 -6546 
•6657 •6669 
•6277 -7113 
H. Table II divided so that the mean falls in cell n 
55j'q -65^'jf 
66i'i;"-77" 
Total 
9-4-1 13 mm. 
840 
112 
101 
1053 
Ib4-ir7 mm. 
473 
160 
286 
919 
ir8-13^5mm. 
203 
186 
639 
1028 
Total 
1516 
458 
1026 
3000 
A.P.E. 
(•014) 
(•013) 
(•014) 
(•014) 
III. The third table examined was taken from Pearson and Heron's paper 
"On Theories of Association/' Biometrika, vol. ix, p. 219, Table XIII, and is a 
normal surface having r = -3. The values of the frequencies to two places of 
decimals were used. 
1 
2 
3 
4 
5 + 6 
7 
8 
Total 
1 
4^04 
17-16 
7-55 
3-30 
0-91 
0-92 
0-12 
34 
2 
17-41 
123-59 
79-76 
46-64 
14-61 
17-67 
3-32 
301 
3 
8-86 
93-00 
78-31 
52-04 
19-20 
26-40 
6-19 
284 
4 
2-83 
37-73 
37-24 
27-51 
10-95 
16-31 
4-43 
137 
5 + 6 
1-62 
25-21 
27-75 
22-09 
9-26 
14-64 
4-43 
105 
7 
102 
19-50 
24-47 
21-39 
9-58 
16-36 
5-68 
98 
8 
0-22 
5-81 
8-92 
9-03 
4-49 
8-70 
3-83 
41 
Total 
36 
322 
264 
180 
69 
101 
28 
1000 
Ik, 
H = 
•669 
= 
•6172 ± 
•0088 
rj> = 
•6479 ± 
•0107 
'-11 = 
•648 ± 
•014 
= 
•5162 ± 
•0438 
^ ■'-12 = 
•668 ± 
•013 
•6478 ± 
•0108 
''21 = 
•644 ± 
•015 
T = 
•6591 ± 
•0107 , 
'•22 = 
•631 ± 
•014 
fc = 
•7920 
Mean Individual 
dispersion dispersion 
•6539 ^6279 
■6472 -6156 
•6479 -6103 
•6345 -6418 
9—2 
