Product (Artifact) or work piece (Item) that occur in software development projects by some of the discrepancies in CMMI it is insufficient by dues many documents which are added benefits that are not true, so how to solve the problem through a process of quality development by reducing defects or losses to quality products and services in the meaning of this theory arise when there is a reduction of defects or cost reduction based on statistical methods in the standard distribution from trends.Development of elements of a six sigma (Six Sigma)-Mar is a development that focuses on reducing defect elimination of ปัญาหา, which has been given a good process guidelines ‑ Ignatius (Define, Measure, Analyze, Control, and Improvement: DMAIC) as part of the Six Sigma DMAIC method means that Mar the 6 Sigma project that works up to five in one step. Define the problem and the goal of the project, especially to measure characteristics of the current process and collect relevant data. Data analysis in order to verify and confirm the relationship between causes and effects. Check that there is a relationship, and all factors have been considered. Find out the causes of defects under investigation. To update or enhance the current process depends on the. Data analysis using the techniques. Error checking and working standards to create a new process in the future. The problem must be studied to minimize the error on manufacturing process improvement management concept to the Six Sigma resort Jomtien beach Pattaya hotel, which differs from the concept to the original management. Researchers aim to have the opportunity to bring a DMAIC process, how to solve this problem, that is meant to increase customer trust.
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