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Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika
Published by Universitas Bina Bangsa
ISSN : 27218929     EISSN : 27218937     DOI : 10.46306/lb
Core Subject : Science, Education,
Decision Sciences, Operations Research & Management Education Mathematics
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Jurnal Lebesgue Adalah Jurnal Ilmiah yang terbit secara daring pada bulan April, Agustus dan Desember. untuk menyebarluaskan hasil-hasil penelitian dalam bidang matematika, statistika, aktuaria, matematika terapan, matematika komputasi, Model Pembelajaran Matematika dan pendidikan matematika.
Arjuna Subject : Matematika - Statistik dan Probabilitas
Articles 554 Documents
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PENINGKATAN HASIL BELAJAR MATEMATIKA MENGGUNAKAN MODEL PEMBELAJARAN DISCOVERY LEARNING PADA SISWA KELAS VII SMP NEGERI 5 ABIANSEMAL Ni Luh Sintya Dewi
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 3 (2023): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v4i3.522

Abstract

To achieve educational success, one of the elements is the teacher who plays a very important role in the teaching and learning process (Rahayu, et al., 2018). Mathematics is one of the basic subjects at every level of formal education which plays a very important role. Mathematics is a basic science needed to prepare competent human resources with integrity. However, in reality, mathematics lessons are often considered difficult by students and boring, so there is a need for learning models that attract students' attention so that they are active in learning and learning becomes fun. One of them is the Discovery Learning learning model. Discovery Learning is a learning method that focuses on discovering previously unknown concepts or principles and solving problems followed by validating abilities so that it is hoped that students will be able to improve their thinking skills and find solutions to problems (Fatmawati, 2016). Discovery Learning encourages students to take responsibility for their learning process so they can more easily transfer their knowledge to various contexts and feel empowered. As a result, motivation, creativity, discipline and enthusiasm for learning will all increase (Nurmaily, 2021). The aim of this research is to find out whether the Discovery Learning learning model can improve the mathematics learning outcomes of class VII students at SMP Negeri 5 Abiansemal. From the learning outcomes in the pre-cycle the achievement of learning completeness was 57.14% with an average value of 76.39 then in the first cycle it increased to 75% with an average value of 80.57 and in the second cycle it increased to 89.29% with an average -average value 84.79. Based on the results of cycle II, it can be seen that 89.29% of the total students have reached the KKM and 10.71% of the total students in the class have not reached the KKM. Based on all classroom action research activities, it can be concluded that through the application of the Discovery Learning learning model, it can improve the mathematics learning outcomes of class VII students at SMP Negeri 5 Abiansemal
PENERAPAN MODEL PEMBELAJARAN DISCOVERY LEARNING PADA PEMBELAJARAN MATEMATIKA MATERI LINGKARAN KELAS VIII SMP NEGERI 3 TONDANO Putri Meirona Br. Karosekali; Jorry F. Monoarfa
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 3 (2023): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v4i3.523

Abstract

The purpose of this study was to determine the average mathematics learning outcomes of students of SMP Negeri 3 Tondano the circle material with the application of Discovery Learning. The research design was using post-test Control Group Design. The samples taken were students of grade VIII B as an experimental class and class VIII C as a control class at SMP Negeri 3 Tondano with a total of 28 and 26 students respectively. The results of the study in the post-test obtained an average experimental class of 79, 44 and the control class of 74.32. Based on the results of the statistical test of student learning results (t-test) obtained acalculated t value = 3.165 > ttable = 2.016. it can be concluded that student learning outcomes in circle material mathematics subjects taught using the discovery learning model are increased and better than the direct learning model
ANALISIS PENGAMBILAN KEPUTUSAN UNTUK PENGADAAN MESIN FOTOCOPY DI PT BCD MENGGUNAKAN PENDEKATAN MODEL MATEMATIKA NET PRESENT VALUE Riki Ridwan Margana; Alifah Nur Astari
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 3 (2023): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v4i3.524

Abstract

PT BCD is one of the large distributor companies in Bandung, West Java, which distributes medicines, pharmaceutical equipment and various other consumer goods. PT BCD carries out various activities to support the success of its distribution, one of which is administrative activities in the form of printing sales invoices, tax invoices, printing reports, and archiving reports. Every day, more than 1000 copies need to be printed by a photocopier as reporting and archiving material. By 2024, PT BCD management plans to procure 2 photocopy machines because the old ones often experience problems and cause delays in administrative activities. For this procurement, PT BCD management received offers from several vendors in the form of rental or purchase decisions. Due to this problem, the PT BCD procurement team carried out a decision-making analysis for the procurement of photocopy machines at PT BCD using a mathematical economic model approach using the NPV method. From this analysis, a decision was obtained in the form of selecting Vendor B with a purchasing decision for the photocopy machine procurement activity at PT BCD. This decision was taken because Vendor B with a purchase decision was able to provide the most profitable offer, namely IDR 22,152,300,- when compared to the rental decision which set a price of IDR 48,509,800
PERBANDINGAN AKURASI KLASIFIKASI MENGGUNAKAN ALGORITMA QUEST PADA PADA SKENARIO DATA KODIFIKASI DAN NON-KODIFIKASI Surya Prangga; Rito Goejantoro; Memi Nor Hayati; Siti Mahmuda; Dwi Husnul Mubiin
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 1 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i1.525

Abstract

Traffic accidents are difficult to predict in terms of when and where will occur. The number of traffic accident cases in Indonesia is relatively high. Regarding on data from the Central Statistics Agency (Badan Pusat Statistik) from 2020 until 2021, the average number of traffic accidents reaches one hundred thousand cases every year. Especially, in the Samarinda City, which is the capital of East Kalimantan Province, it ranked the highest in 2020 compared to several other regencies and cities within East Kalimantan Province. Considering these facts, traffic accident cases need to be addressed to minimize accident-related casualties. One data mining technique used to analyze traffic accident patterns is the decision tree-based classification method. One of the decision tree-based classification methods is QUEST algorithm. The QUEST algorithm (Quick, Unbiased, Efficient, and Statistical Tree) can be used to classify the status of traffic accident victims. Based on data analysis, the best accuracy to classify the status of traffic accident victims was obtained using second scenario data with 80:20 data split, with an accuracy of 66,10% and an F1-Score of 62,96%.
PEMODELAN JUMLAH KASUS DEMAM BERDARAH DENGUE DENGAN MENGGUNAKAN MODEL AUTOREGRESSIVE DISTRIBUTED LAG Denny Nurdiansyah; Agus Sulistiawan
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 3 (2023): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v4i3.526

Abstract

This study aims to model dengue hemorrhagic fever (DHF) cases with an autoregressive distributed lag (ARDL) model to investigate significant predictor variables in Bojonegoro Regency. The selected predictor variables are the percentage of poverty, population, health facilities, and health workers. A research design with a quantitative approach was used to investigate the predictor variables in dengue cases with the ARDL model and the help of EViews. Stationarity, cointegration, classical assumptions, parameter significance, and model goodness assessment, namely R-square, MSE, AIC, and SBC, were tested. The research data source is secondary data, namely annual data from the reports of the Central Bureau of Statistics and the Health Office in Bojonegoro Regency from 2008 to 2022. The test results show only cointegration in the response variable, so the ARDL model is applied, but the lag distribution is only done on the response variable. In testing the significance of the parameters, it was found that an increase in the health workforce significantly affected the decrease in the number of DHF patients. At the same time, the other predictor variables were not significant
PENGAPLIKASIAN UJI T DALAM PENELITIAN EKSPERIMEN Azka Dhianti Putri; Ahman Ahman; Rahma Sayyida Hilmia; Salwa Almaliyah; Sidik Permana
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 3 (2023): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v4i3.527

Abstract

Research is a scientific activity to examine and approve the theory or assumption. In examining assumption, research needs approach and method. Researcher should determine not only the appropriate approach but also the right method to manage finding of research. One of the methods used in quantitative research is T Test. T Test could be used in experimental research design. This study is aimed at exploring the experimental research design by using T Test. This study is a literature review. The result of this study explained the concept of T Test, the concept of experimental research, and the application of T Test in experimental research. The T Test is applied to examine the hypothesis in experimental research
KONTRUKSI PT-Symmetry MULTI DIMER PADA DOMAIN TAK HINGGA Maya Sari Syahrul; Iswan Rina; Nurweni Putri
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 3 (2023): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v4i3.528

Abstract

Parity-Time Symmetry, or abbreviated as -Symmetry, can be explained as the propagation of an optical beam in two bound waveguides, where one waveguide experiences strengthening and the other waveguide experiences weakening, with each intensity having the same value. Then, the two waveguides are known as dimers, so the phenomenon is called dimer -Symmetry. Furthermore, the -Symmetry dimer is expanded into a system consisting of a collection of -Symmetry Dimers, where each dimer is bound by a binding constant. The result of this expansion is called the multi dimer -Symmetry system. Research on the propagation of optical rays in waveguides plays an important role in the development of optical-based communication technology in the future
PENGARUH AUDIT INTERNAL DAN KINERJA KARYAWAN TERHADAP PENGENDALIAN INTERNAL SERTA DAMPAKNYA TERHADAP PENCEGAHAN KECURANGAN DI PT. COMMIT TRANS ANGKASA DENGAN MENGGUNAKAN METODE ANALISIS JALUR Kenny Cendana; R. Aditama; Gerry Sastro
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 1 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i1.529

Abstract

This study aims to determine the effect of Internal Audit (X1), Employee Performance (X2) on Internal Control (Y) with the variable Intervening Fraud Prevention (Z) at PT. TransSpace Committee. This research includes causal associative research using a quantitative approach. The sample used in this study amounted to 50 employees of PT. TransSpace Committee. Data was collected using a questionnaire that had been tested for validity and reliability. The data analysis technique used is path analysis. The results of this study are that the contribution of internal audit (X1) to Internal Control (Y) is 0.311, this indicates that the contribution or influence of X1 on Y is 31.1% while the remaining 68.9% is a contribution from the variables other variables not included in the study, and also the contribution of employee performance (X2) to Internal Control (Y) is 0.173, this indicates that the contribution or influence of X2 on Y is 17.3% while the remaining 82.7% is the contribution of other variables not included in the study, and also the magnitude of the contribution of internal audit (X1) to Fraud Prevention (Z) which is equal to 0.307, this indicates that the contribution or influence of X1 on Z is equal to 30.7% while the remaining 69.3% is the contribution of other variables not included in the study, and also the size of the audience's contribution internal t (X1) and internal control (Y) on fraud prevention (Z) which is equal to 0.539, this shows that the contribution or influence of X1 & Y on Z is 53.9% while the remaining 46.1% is a contribution from the variable -Other variables not included in the study, and also the contribution of employee performance (X2) to fraud prevention (Z) is 0.177, this indicates that the contribution or influence of X2 on Z is 17.7% while the remaining is 72.3 % is the contribution of other variables not included in the study, and also the contribution of employee performance (X2) and internal control (Y) to fraud prevention (Z) which is equal to 0.522, this shows that the contribution or influence of X2 & Y to Z is 52.2% while the remaining 47.8% is contributed by other variables not included in the study, and also the amount of k the contribution of internal control (Y) to fraud prevention (Z) is equal to 0.502, this indicates that the contribution or influence of Y on Z is 50.2% while the remaining 49.8% is a contribution from other variables not included in study
PEMODELAN MATEMATIKA UNTUK JUMLAH PENYALURAN PEMBIAYAAN MUDARABAH, MUSHARAKAH DAN MURABAHAH TERHADAP TINGKAT RASIO NON PERFORMING FINANCING (NPF) Wardatus Syarifah; Mubrikatul Mabrurah
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 3 (2023): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v4i3.530

Abstract

Financing is a very important activity because with financing the main source of income will be obtained and will support the continuity of the bank's business. However, as financing increases, the risk of problematic financing cannot be avoided, meaning that as financing increases, problematic financing will also increase. The purpose of this research is to obtain a mathematical model of the Mudarabah Financing, Musharakah Financing and Murabahah Financing on Non Performing Financing (NPF) at BPRS Bhakti Sumekar Sumenep with the research period 2015-2022, where in that year the NPF level at BPRS Bhakti Sumekar often increased, the number of samples 30 quarterly financial report data from BPRS Bhakti Sumekar Sumenep were used. Therefore, this research uses the Multiple Linear Regression method with the help of the SPSS 25 statistical application. The results of calculations using regression analysis obtained a mathematical model of mudarabah, musharakah and murabahah financing on the level of the Non-Performing Financing ratio, namely Y=-2.174 +1.308E-7X1+ 5.025E-8X2+1.039E-8X3. With a significant level of the mudarabah financing variable (x1) of 0.127 > 0.05 and the musharakah financing variable (x2) of 0.374 > 0.05 and murabahah financing (x3) of 0.001 < 0.05, this shows that mudarabah financing and musharakah financing partially does not have a positive and significant influence on the level of the Non Performing Financing ratio. Meanwhile, murabahah financing partially has a positive and significant influence on the level of the Non Performing Financing ratio
ANALISIS KEMAMPUAN LITERASI NUMERASI DITINJAU DARI MOTIVASI BELAJAR SISWA SMAN 1 BARAT Affiah, Eva Nur Amalia Chofifatul; Khasanah, Lintang Sekar; Firdaus, Tiara Citra Maharani; Febita, Ferry; Apriandi, Davi; Setyansah, Reza Kusuma
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 2 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i2.532

Abstract

Literacy and numeracy skills are essential skills that students must master starting from the primary school level. Motivation is a psychological condition in a person who is driven by a strong will and presents a feeling of pleasure in carrying out an action to achieve a certain goal. So this research aims to describe numeracy literacy skills in terms of student learning motivation. This research is descriptive qualitative research. The data collection technique used questionnaires, tests, and interviews. So the conclusion of this study is that the numeracy literacy skills of students with high learning motivation, moderate learning motivation and low learning motivation in solving problems are similar, numeracy literacy skills of students with high learning motivation and moderate learning motivation also have similarities in determining and implementing appropriate solution strategies, while literacy and numeracy skills of students with low learning motivation, in determining and implementing strategies and solutions are not appropriate

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