International Journal of Academic and Applied Research (IJAAR)   Year: 2023 | Volume: 7 | Issue: 8 | Page No.: 7-9 Application of Nonparametric Sign and Wilcoxon Sign Rank Control Maps on Animal Feed Data of PT. Japfa Comfeed Indonesia, Tbk Download PDF Iswan Rahman, Erna Tri Herdiani, Anna Islamiyati Abstract: Control maps are used to see the performance of a process. Nonparametric control maps are present to overcome processes with unknown distribution patterns. This paper will show the application of nonparametric control maps using the Sign Test and Wilcoxon Sign Rank Test on the Animal Feed data of PT. Japfa Comfeed Indonesia, Tbk. The results show that the Wilcoxon Sign Rank control map has the same effectiveness as the sign control map.