أثر متطلبات تطبيق الحيود السداسي في تقليل تكلفة الجودة الرديئة : دراسة حالة على مصنع ربان السفينة في النجف The Impact of Six Sigma Application Requirements on Reducing the Cost of Poor Quality: A Case Study on Raban Al-Safina Factory in Al-Najaf

ياسين, الحكم أيوب (2017) أثر متطلبات تطبيق الحيود السداسي في تقليل تكلفة الجودة الرديئة : دراسة حالة على مصنع ربان السفينة في النجف The Impact of Six Sigma Application Requirements on Reducing the Cost of Poor Quality: A Case Study on Raban Al-Safina Factory in Al-Najaf. Masters thesis, جامعة الشرق الاوسط.

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Abstract

This study aimed to identify the impact of six sigma application requirements on reducing the cost of poor quality: a case study on Raban Al-Safina Factory in Al-Najaf. The population of the study consists of all (227) administrators and technicians of Raban Al-Safina Factory in the Governorate of Al-Najaf. The simple random sample has been chosen from the study population, where the researcher has distributed (150) questionnaires to the managers and technicians at Raban Al-Safina Factory; only (145) questionnaires were retrieved, while (11) were excluded due to their invalidity for analysis. Consequently, the sample consisted of (32) administrators and (102) technicians. The questionnaire was used as a primary tool for collecting data and information using a set of statistical methods, which are represented by ن (Cronbach Alpha, frequencies and percentages, descriptive statistics, multiple regression analysis, and simple regression analysis). The results of the study showed that the impact of the application of six sigma requirements on reducing the cost of poor quality was high. Furthermore, the reducing the cost of poor quality was high as well. The results also revealed there is an impact on the application of six sigma requirements along with its dimensions (Focus on the customer, focus on the employees, constant improvement, and commitment and support of top management) on reducing the cost of poor quality (Cost of evaluation, cost of internal failure, and cost of external failure) at Raban Al-Safina Factory in Al-Najaf at the significance level (α ≥ 0.05). The study recommended the necessity of organising periodic meetings between decision makers at the Factory and employees, given its positive impact on performance improvement, so that employees can become more aware of the importance of reducing the cost of poor quality, and applying six sigma requirements in a focused manner. It also recommended the need to maintain the application of six sigma requirements to reduce the cost of poor quality in industrial companies by adopting a new strategy for calculating costs. Keywords: Six Sigma Requirements, Cost of Poor Quality, Raban Al-Safina Factory, Raban Al-Safina Group of Companies.

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