# Title: Sex ratios in 6115 sibships of twelve in Saxony, 
# 1: Number of males, p = 0.519215
# 2: Number of females, p = 0.480785
# 3: Expected frequency
# 4: Observed frequency
#
#  Reference:
#  A Geissler,
#  Beitraege zur Frage des Geschlechtsverhaeltnisses der Geborenen,
#  Z. K. Saechs. Stat. Bur, 
#  Volume 35, pages 1-24, 1889.
#
12   0     2.3     0
11   1    26.1    45
10   2   132.8   181
 9   3   410.0   478
 8   4   854.3   829
 7   5  1265.6  1112
 6   6  1367.3  1343
 5   7  1085.2  1033
 4   8   628.1   670
 3   9   258.5   286
 2  10    71.8   104
 1  11    12.1    24
 0  12     0.9     3