The 80/20 rule is also known as what law?

The correct answer is B. Pareto's Law. The 80/20 rule is known as Pareto's Law, named after Italian economist Vilfredo Pareto. He observed that roughly 80% of effects come from 20% of causes - for example, 80% of software defects stem from 20% of the code. Little's Law (A) relates to queuing theory, Mohr's Law (C)…

Submitted by yaw92· Apr 18, 2026Continuous Improvement

Question

Options

ALittle Law
BPareto's Law
CMohr's Law
DThe Law of Averages

How the community answered

(48 responses)

B
94% (45)
C
2% (1)
D
4% (2)

Explanation

The 80/20 rule is known as Pareto's Law, named after Italian economist Vilfredo Pareto. He observed that roughly 80% of effects come from 20% of causes - for example, 80% of software defects stem from 20% of the code. Little's Law (A) relates to queuing theory, Mohr's Law (C) does not exist as a standard concept, and the Law of Averages (D) is a different statistical principle.

Topics

#80/20 Rule#Pareto Principle#Quality Management#Prioritization

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