Golfing Store
The joint probability distribution of variables X and Y is shown in the table below,where X is the number of drivers and Y is the number of putters sold daily in a small golfing store. 
-{Golfing Store Narrative} Calculate the variances of X and Y.
Definitions:
Creative Realism
The application of creative thinking and innovation grounded in practicality and realistic constraints.
Structural Connectedness
The extent to which elements within a system or organization are interconnected, facilitating the flow of information or resources.
Innovation
The process of creating, developing, and implementing new ideas, processes, or products that bring significant improvements or create value.
Flexibility
The quality of being adaptable or variable, able to change or be changed according to circumstances.
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