Productive processes

Productive processes

1. Basic tools of quality

   • stratification
     • stratificatiopn analysis is a quality control tool used to classify data, object, and people into separate and distinct groups.
   • check sheet
     • can be used to collect quantitative or qualitative data facilitate the recording of preliminary frequency distribution data when measuring processes.
   • Control chart
     • To determine if a process is stable and predicable or not , which facilitates the identification of factors that can lead to variations or defects.
   • Parateto chart
     • It is a combination of a bar and a chart line , representing individual values in descending otder using bars , while the running total is represented by the line .
   • histogram
     • It can he help you represent the frequency distribution of data clearly and concisely between different groups in a sample, allowing you to quickly and easily identify areas for improvement within processes.
   • dispersion diagram
     • Is the most useful for depicting the relationship between two parameters , which is ideal for quality control professionals trying to identify cause and effect relationships.
   • cause and effect diagram
     • helps users to identify the various factors that lead to an effect usually represented as a problem to be solved.