What is a typical structure for a hypothesis tree, and how do you test branches quickly?

What is a typical structure for a hypothesis tree, and how do you test branches quickly?

• A. A top-level hypothesis branches into causes; test via quick qualitative checks and limited data, use 80/20 to prioritize.
• B. A hypothesis tree is a flat list; test by exhaustive data collection.
• C. Branches are tested only after full-scale experiments.
• D. The tree should be avoided in favor of linear analysis.

Answer: (A)