Final answer:
The criterion that is least likely to be used in choosing bins (classes) in a frequency distribution is using aesthetic judgment.
Step-by-step explanation:
The criterion that is least likely to be used in choosing bins (classes) in a frequency distribution is a-Using aesthetic judgment. When creating a frequency distribution, it is important to use objective criteria such as following Sturges' Rule or selecting "nice" class limits. Starting at zero is also a common practice, but it is not a criterion that is always followed.