Karl Pearson 
129 
Illustration I. Thus I take the table for correlation of stature in father and 
son, the subranges being each two inches. 
Stature of Father. 
>p 
to 
1 
°0 
l« 
Si 
"O 
1 
>p 
to 
■<!- 
to 
1 
1 
lp 
©i 
to 
>P 
is 
tO 
1 
"O 
to 
1 
to 
to 
< ^ 
J 
00 
®* 
1 
<~ 
1 
>P 
^i 
f~ 
>p 
Totals 
59-5—61-5 
1-5 
1 
1 
35 
61-5—63-5 
0-5 
2-75 
5-75 
9-5 
5 
0-25 
0-25 
24 
63-5—65-5 
4 
7-75 
20 
41-5 
17-25 
8-25 
1-25 
100 
65-5—67-5 
2 
10 
32 
73 
78-75 
33-5 
7-25 
1 
237-5 
67-5—69-5 
4-5 
27-75 
65-5 
95 
93-25 
31-5 
4-5 
i 
323 
69-5—71-5 
6-75 
38-25 
61 
77-5 
39-5 
11 
2 
236 
71-5—73-5 
0-25 
5-75 
24-75 
34-5 
32-25 
7 
0-5 
105 
73-5—75-5 
1 
3 
6-25 
6-75 
13 
5-5 
2 
37-5 
75-5—77-5 
2-5 
1-5 
1-5 
2-5 
8 
77-5—79-5 
2 
0-5 
1 
3-5 
Totals 
6-5 
25 
95 
237-5 
291-5 
257-5 
127 
32-5 I 5-5 
1078 
a 
o 
m 
o 
U 
Worked out by the product-moment method and using the Sheppard correction 
for the s.D.'s, r xy = -5259. 
I then proceed to make it into two further tables (i) a 5 x 5, and (ii) a 3 x 3 
celled table. These are as follows : 
Stature of Father. 
a 
o 
GO 
Si 
m 
us 
"o 
1 
>p 
00 
Id 
»P 
<b 
to 
1 
>o 
00 
to 
1 
is 
© 
>p 
00 
to 
ip 
1 
>p 
?^ 
Totals 
59-5—65-5 
42-25 
52 
23-25 
8-5 
1-5 
127-5 
65-5—67-5 
44 
73 
78-75 
33 5 
8-25 
237-5 
67-5—69-5 
32-25 
65-5 
95 
93-25 
37 
323 
69-5—71-5 
6-75 
38-25 
61 
77-5 
52-5 
236 
71-5—79-5 
1 -25 
8-75 
33 5 
44-75 
65-75 
154 
Totals 
126-5 
237-5 
291-5 
257-5 
165 
1078 
and 
Stature of Father. 
a 
o 
&0 
GO 
58-5—66-5 
66-5—68-5 
68-5-76-5 
Totals 
59-5—67-5 
211-25 
102 
51-75 
365 
67-5—69-5 
97-75 
95 
130-25 
323 
69-5—79-5 
55 
94-5 
240-5 
390 
Totals 
364 
291-5 
422-5 
1078 
In obtaining these tables I was generally guided by an endeavour to roughly 
equalise the frequencies in the totals. 
Biometrika ix 17 
