Pengendalian Kualitas Kopi Sangrai Pada Koperasi Xyz Dengan Metode Six Sigma

This research aims to examine the quality control of roasted coffee in one of the businesses engaged in coffee processing, namely Koperasi XYZ. Controlling the quality of roasted coffee uses the six sigma method which includes define, measure, analyze, improve and control. Through the define stage using the SIPOC diagram, it is known that defects in roasted coffee production occur during the ro…