I can appear simple but hide complexities. I change outcomes while remaining obscure. What am I?
Category: Math · Difficulty: hard
Hint: Consider what factors might influence results without being obvious.
Answer
A hidden variable
Explanation
A hidden variable can affect outcomes in equations and data but is often not directly observed or understood.
This is a hard math riddle — a tricky one that takes a little thought. The answer is A hidden variable.
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