Figure 2-7. Conditional frequency distribution: This plot shows the number of female and male names
ending with each letter of the alphabet; most names ending with a, e, or i are female; names ending
in h and l are equally likely to be male or female; names ending in k, o, r, s, and t are likely to be male.
图 2-7. 条件频率分布：此图显示男性和女性名字的结尾字母；大多数以 a，e 或 i 结尾的名
字是女性；以 h 和 l 结尾的男性和女性同样多；以 k，o，r，s 和 t 结尾的更可能是男性。