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All Journal OMEGA: Jurnal Keilmuan Pendidikan Matematika Jaliye: Jurnal Abdimas, Loyalitas, dan Edukasi
Wiga Fadhilah
Universitas Alwashliyah Medan
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Education Engineering Mathematics Social Sciences

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Pelatihan & Pendampingan Pengolahan Data Statistik: Penerapan Uji Komparasi untuk Penyusunan Karya Ilmiah/Skripsi Mahasiswa Ulfa Annisa Lubis; Jihan Hidayah Putri; Israq Maharani; Minta Ito Simamora; Wiga Fadhilah
JALIYE: Jurnal Abdimas, Loyalitas, dan Edukasi Vol. 5 No. 1 (2026): JALIYE: Jurnal Abdimas, Loyalitas, dan Edukasi
Publisher : Fakultas Keguruan dan Ilmu Pendidikan UNIVA Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jaliye.v5i1.1339

Abstract

Kemampuan mengolah data statistik merupakan kompetensi penting bagi mahasiswa dalam menyusun skripsi berbasis kuantitatif, namun banyak mahasiswa Program Studi Pendidikan Agama Islam (PAI) FAI UNIVA Medan masih mengalami kesulitan dalam mengoperasikan SPSS sehingga cenderung bergantung pada jasa olah data. Kegiatan pengabdian ini bertujuan meningkatkan pemahaman dan keterampilan mahasiswa dalam menerapkan uji komparasi, khususnya paired sample t test dan independent sample t test, menggunakan SPSS. Metode pelaksanaan berupa pelatihan dan pendampingan dengan pendekatan ceramah interaktif, demonstrasi, praktik terbimbing, dan studi kasus, yang dilaksanakan pada 20 Juni 2026 dan diikuti 25 mahasiswa. Evaluasi dilakukan melalui angket self-assessment. Hasil menunjukkan peningkatan kompetensi peserta dari rata-rata skor 1,52 menjadi 2,88, dengan peningkatan rata-rata 1,37 poin. Dapat disimpulkan bahwa pelatihan berbasis praktik langsung efektif meningkatkan kemandirian dan kepercayaan diri mahasiswa dalam mengolah data skripsi secara mandiri..
Pemodelan Matematika Menggunakan Fungsi Linear untuk Menganalisis Model Biaya Total pada Usaha Mikro Sartika Wati; Wiga Fadhilah
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 5 No. 2 (2026): OMEGA: Jurnal Keilmuan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v5i2.1388

Abstract

Micro-enterprises play an important role in improving the community's economy; however, many business owners still experience difficulties in managing production costs systematically. One approach that can be applied to overcome this problem is mathematical modeling using linear functions. This study aims to develop a mathematical model using a linear function to analyze the total cost model of micro-enterprises and explain the relationship between production quantity and total cost. The study employed a quantitative approach with a descriptive research method. The data were obtained through a literature review and a mathematical modeling illustration based on the concepts of fixed costs and variable costs in economics. The analysis was conducted by constructing a total cost model in the form of a linear function and interpreting the relationship between production quantity and total cost using the resulting equation. The findings indicate that the total cost model can be expressed as the linear equation (TC = 500,000 + 4,000x), showing that total cost increases proportionally with the number of products produced. The model provides useful information for estimating production costs at various production levels and can be used as a basis for production planning, capital budgeting, and business decision-making. The findings also demonstrate that the application of linear functions is a simple, practical, and effective approach for analyzing total costs in micro-enterprises. Furthermore, this study highlights that the concept of linear functions has practical applications in economics and can serve as an example of contextual mathematics learning.
Co-Authors Israq Maharani Putri, Jihan Hidayah Simamora, Minta Ito Ulfa Annisa Lubis Wati, Sartika