Merriam-Webster词典将偶然事件或情况定义为
1 : likely but not certain to happen : possible
2 : not logically necessary; especially : empirical
3 a : happening by chance or unforeseen causes
b : subject to chance or unseen effects : unpredictable
c : intended for use in circumstances not completely foreseen
4 : dependent on or conditioned by something else
5 : not necessitated : determined by free choice
关于当前的统计术语,既然列联表用于表示许多不同情况下的大量数据,为什么我们称它们为“列联表”?该术语中使用的“偶然性”一词是在上述五种意义中的哪一种?