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Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

1. Obtain data for process capability study
   • Identify the process requiring capability analysis
   • Obtain process capability data
2. Analyse data
   • Identify causes of systematic variation in liaison with relevant personnel
   • Develop solutions to eliminate/minimise systematic variation in liaison with relevant people
3. Take action to improve process capability
   • Develop plans to implement solutions
   • Liaise with relevant people to implement solutions
   • Gain necessary approvals as required
   • Monitor implementation and make adjustments as required
   • Determine new/revised process capability
   • Implement revised process capability regime

Performance Evidence

Evidence of the ability to:

implement and review either ONE complex process capability system or SEVERAL smaller systems and make process improvements using process capability as a tool for monitoring and improvement or a suitable project

provide a portfolio of evidence to show that the implementation and review has included process capability studies, the improvement to process capability, and how the improvements were implemented.

Note: If a specific volume or frequency is not stated, then evidence must be provided at least once.

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Knowledge Evidence

To complete the unit requirements safely and effectively, the individual must:

outline data collection and processing methods and techniques

describe concepts of variability and normal distribution

describe three sigma or six sigma processes

explain how to recognise assignable causes (random and non-random results)

outline causes of random variation

identify causes of different types of non-random results

understand process capability sufficiently to translate data into variations in the process and determine methods of controlling them.

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