"After a long and costly two weeks, I have lots of data, that I don't know how to analyze. I don't know what constitutes good performance as opposed to bad performance," said Joseph to his boss. His boss replied, $"$It sounds as if you failed to first establish a$($n$)\_\_\_\_\_\_\_\_\_\_$ by which to assess your data."

Question $50$ options:

control

plan

rule

standard