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A rough timeline for this scenario includes inputting, reviewing/editing, and submitting the information for the current volley.
Design Sketches
One possibility for stat recording is to build a command line tool. Once users know how it works, they can be extremely fast at inputting data. As shown in the picture, there are commands to start recording for a new game, to add the information about a shot, and to view the highest scoring players. In a real version, there would also be commands to undo and to view aggregate stats over many games.
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