Diagrama de Pareto

Diagrama de Pareto

Understanding the Pareto Diagram

What is a Pareto Diagram?

  • The Pareto diagram, also known as the 80/20 rule or ABC distribution, stems from Wilfredo Pareto's rigorous analyses. It illustrates that 80% of consequences arise from 20% of causes, a principle widely recognized as the Pareto Principle.

Purpose and Application

  • This diagram visually represents the aforementioned rule through a bar chart format, organizing causes in descending order. This allows for easy identification of the critical 20% that leads to 80% of problems, enabling focused problem-solving efforts.
  • The Pareto diagram is applicable across various fields and supports continuous improvement by showcasing situations before and after interventions, thus facilitating analysis and prioritization of issues.

Steps to Create a Pareto Diagram

  1. Define Your Objective: Clearly outline what you aim to analyze and identify the specific problem or phenomenon at hand.
  1. Identify Causes: Determine which factors or causes will be analyzed in relation to your defined objective.
  1. Data Collection: Gather relevant data concerning the identified causes for further analysis.
  1. Data Organization: Sort collected data from highest to lowest values to prepare for visualization in the diagram.
  1. Calculations: Perform necessary calculations including cumulative totals, percentages, and cumulative percentages to finalize your diagram layout with causes on the x-axis and accumulated percentages on both y-axes (left for total accumulation and right for percentage). Analyze results to make informed decisions based on this visual representation of data trends.