A CFO is looking at how much the company is spending on computing.He samples companies in the pharmaceutical industry and develops the following stem-and-leaf graph. 
If you were creating a frequency histogram using these data,how many classes would you create?
Definitions:
Mental Health
A state of well-being in which an individual realizes their own abilities, can cope with the normal stresses of life, can work productively, and is able to make contributions to their community.
Professional Counselor
A licensed individual trained to provide psychological therapy and advice to individuals or groups.
Gender Roles
Culturally and socially defined prescriptions and beliefs about the behavior and emotions of men and women.
Accepted
Recognized or approved as valid, correct, or satisfactory by a relevant authority or group.
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