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September 10, 2025Journal Research of Social Science Economics and Management

Quality Control in Coconut Sorting Process using Statistical Process Control (SPC) and Root Cause Analysis (RCA) (Case Research: UMKM Wika Kelapa)

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Authors

RNRyan Budhi Nugraha⁠I⁠Yani Iriani

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Overview

Observational analysis reveals high coconut defects in UMKM Wika Kelapa, suggesting effective quality control methods are needed.

Key Points

  • The coconut sorting process shows a defect level of 4.65%, exceeding the 3% tolerance threshold and indicating quality control issues.
  • SPC analysis identified that specific months had multiple points outside control limits, particularly showing inconsistencies during sorting.
  • RCA with fishbone diagrams pinpointed human factors and poor methods as major contributors to coconut defects that cause financial losses.
  • Implementation of Standard Operating Procedures (SOPs) is essential to reduce defect rates and improve overall quality control.

Cite This Study

Nugraha et al. (2025) studied this question.

synapsesocial.com/papers/68c1c32754b1d3bfb60f12fdhttps://doi.org/10.59141/jrssem.v5i1.960
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