1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
Previous
birth Next
record birth
MF M F
00 21 16 (excluded from statistics)
01 2 2
10 5 9
11 4 1
20 1 1
21 3 0
31 1 0
41 1 0
Total: 17 13
7 birth combinations found
30 'next' individuals (excluding firstborns)
Male excess of previous births= 47% +/- 69%
Male excess of next births = 13% +/- 49%
Correlation between previous and next = -36%
Fraction of births that match (in sex) a run of previous births in the
same family. Children of unknown sex ignored in this tabulation.
Run Total Matching
Length Cases Cases %
1 30 14 46
2 4 3 75
|
