The Capability Index, often denoted as Cp or Cpk, is a statistical measure used to assess the ability of a process to produce output within specified limits. It provides a quantitative basis for comparing the inherent variability of a process to its specified tolerance limits, aiding in quality control and process improvement efforts.

Capability Index

A statistical measure is a value that represents a characteristic of a dataset, providing insights into its distribution, central tendency, or variability. These measures are essential for summarizing data, making comparisons, and drawing conclusions in research and data analysis.

statistical measure

Process output

specified limits

quantitative basis

inherent variability

tolerance limits

Quality control is a systematic process designed to ensure that products and services meet specified requirements and are consistent in quality. It involves the use of various techniques and tools to monitor, assess, and improve production processes, thereby minimizing defects and variations.

quality control

Process improvement is a systematic approach to enhancing the efficiency and effectiveness of business processes by identifying, analyzing, and optimizing existing workflows. It aims to reduce waste, increase productivity, and improve quality, ultimately leading to better customer satisfaction and competitive advantage.

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