In this article Hall reported the results of an experiment in random sampling that Hall had persuaded his friend, Captain O.C. Fox, to perform when Fox was recuperating from a wound received at the Second Battle of Bull Run.
Pada artikel ini Hall melaporkan hasil percobaan di random sampling Hall telah yakin bahwa dia teman, Captain OC Fox, untuk melakukan itu ketika Fox recuperating dari luka diterima di Second Battle of Bull Run.