THE RELATIONSHIP BETWEEN RAW MATERIALS INSPECTION AND PRODUCTION QUALITY OF MANUFACTURING FIRMS IN RIVERS STATE
Abstract
This study examined the relationship between raw materials inspection and production quality of manufacturing firms in Rivers State. Correlational survey research design was adopted for this study as this study seek to determine the relationship between the two variables. The population of this study is thirty two (32) manufacturing companies in Rivers State which are registered with the Rivers state branch of Manufacturers Association of Nigeria (MAN). The study adopted the census techniques. With regard to the respondents of the study given the strategic nature of the study, three key managers (production manager, quality assurance unit manager and logistics manager) were chosen as respondents from each using simple random sampling, of the thirty two firms constitute the study subject. This gave us a total of ninety two (92) for the study. Structured questionnaire instrument title” raw material inspection and production quality of manufacturing firms questionnaire “ was developed on five point likert scale . The result of the Cronbach's Alpha reliability test indicates .708 which is above .70 which implies that the items are reliable. Pearson product moment correlation was used to test the hypotheses using SPSS (statistical package social sciences). The study revealed that there is a significant relationship between visual inspection and conformance quality of manufacturing firms in Rivers State. There is a significant relationship between visual inspection and performance quality of manufacturing firms in Rivers state. There is a significant relationship between dimensional inspection and conformance quality of manufacturing firms in Rivers state. There is a significant relationship between dimensional inspection and performance quality of manufacturing firms in Rivers state. The study concluded that there is positive relationship between raw materials inspection and production quality of manufacturing firms in Rivers State. The study recommended that manufacturing firms should implement a comprehensive raw materials inspection process that includes both visual and dimensional inspections to ensure the quality and consistency of incoming materials.




