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All Journal Konstanta : Jurnal Matematika dan Ilmu Pengelatuan Alam Interdisciplinary Explorations in Research Journal (IERJ)
Talitha Nakhwan Hasibuan
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Religion Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Education Immunology & microbiology Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences Other

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Evaluasi Perencanaan Produksi Kubis Di Sumatera Utara Dengan Metode Rantai Markov Waktu Diskrit Witri Wardani Hulu; Talitha Nakhwan Hasibuan; Widya Narti Lubis; Sudianto Manullang; Sisti Nadia Amalia
Konstanta : Jurnal Matematika dan Ilmu Pengetahuan Alam Vol. 2 No. 3 (2024): September : Jurnal Matematika dan Ilmu Pengetahuan Alam
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/konstanta.v2i3.3736

Abstract

This research aims to evaluate cabbage production planning in North Sumatra using the discrete-time Markov chain method. Cabbage is one of the horticultural agricultural products that plays an important role in North Sumatra's exports. Proper evaluation of production plans is necessary to ensure sustainability and increase productivity and export volume. The Discrete Time Markov Chain method is used to predict changes in cabbage production conditions over time by considering the factors that influence them. Data on cabbage production and harvested area in North Sumatra from 2020 to 2022 were analyzed using one-step and n-step transition opportunity matrices. The results of the analysis show that in 2023, cabbage production and harvested land area are predicted to experience a significant increase compared to the previous year. This research provides a more accurate and efficient planning strategy for cabbage production, which can ultimately improve agricultural management in North Sumatra.
Analisis Uji Median K-Sampel Independen untuk Mengidentifikasi Jumlah Penduduk di Sumatera Utara Septi Melani Putri Tambunan; Shalsha Nazillah; Talitha Nakhwan Hasibuan; Sisti Nadia Amalia
Interdisciplinary Explorations in Research Journal Vol. 2 No. 3 (2024)
Publisher : PT. Sharia Journal and Education Center

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to analyze the distribution of the population in North Sumatra using the Independent K-Sample Median Test on the 2023 data. The statistical test results show that there is no significant difference in the population numbers across the districts/cities in North Sumatra, with a Chi-Square value of 33 and a P-Value of 0.418, which is greater than 0.05. The Post Hoc analysis revealed that all groups have the same value, indicating a relatively even distribution of the population. Additionally, the overall median population in North Sumatra is 312,540, with minimal variation around this value. The study concludes that the population distribution in North Sumatra does not show significant differences among the tested groups.
Co-Authors Manullang, Sudianto Septi Melani Putri Tambunan Shalsha Nazillah Sisti Nadia Amalia Widya Narti Lubis Witri Wardani Hulu