The following frequency distribution shows the distribution of delivery times (in days) for swimstuff.com customer orders during the last month. 
For 300 observations, our rule-of-thumb for number of classes would indicate 9 classes. In this case, what is the class interval and why would it be reasonable to use that class interval and only 6 classes?
Definitions:
Cultural Feminism
A movement that emphasizes the value of women's experiences and contributions, advocating for the recognition and preservation of women's cultures and practices.
Gender Differences
Variations in behavior, psychological processes, and societal roles attributed to individuals' gender, influencing experiences and outcomes across various aspects of life.
Masculine Politics
Political practices or policies that prioritize or favor traditionally masculine values or perspectives, often reinforcing gender roles and inequalities.
Efficient Drainage
The optimized removal of excess water or fluids from an area or system, minimizing waste and enhancing functionality.
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