Consider the following frequency distribution. 
How many observations are at least 15 but less than 18?
Definitions:
Occupational Safety
Practices and policies implemented to ensure that work environments are free from hazards and risks that might cause injury or illness to employees.
Comprehensive Law
A detailed and inclusive set of regulations that cover the breadth and depth of specific legal areas or societal concerns.
Worker Safety
Practices, policies, and procedures designed to protect employees from workplace hazards and accidents.
Occupational Safety
Refers to the practices and policies in place to ensure the health and safety of employees in the workplace.
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