This research to look at the effect of product quality on customer satisfaction. the sample in this study amounted to 50 consumers of PT Siantar Top, Tbk Medan who were taken by random sampling technique. The analysis method uses descriptive quantitative with data testing using simple linear regression analysis. hypothesis testing uses validity and reliability, coefficient of determination and partial test. the test tool used SPSS version 22. the results of this study indicate that there is an effect of product quality on customer satisfaction with a partial test value of 11.542. good product quality will bring satisfaction to consumers.
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