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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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PERAMALAN CURAH HUJAN EKSTREM DI KOTA MEDAN DENGAN MODEL SPATIAL EXTREME VALUE DENGAN PENDEKATAN MAX STABLE PROCESS Atika Nadila; Machrani Adi Putri Siregar
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 1 (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.v4i1.291

Abstract

This research includes extreme spatial values. Application of the method with the Max-Stable (MSP) process. The approach will be used for the analysis of extreme rainfall in Medan City and Deli Serdang Regency. The extreme value sample selected by the Block Maxima Method, will be estimated to the spatial extreme value form by including location factors. The Max Stable Process (MSP) is an extension of the Multivariate distribution of extreme values into an infinite dimension of the theoretical extreme values. After selecting the best model, extreme rainfall data in Medan City and Deli Serdang Regency were obtained, then calculating predictions of extreme rainfall with certain time periods. Predictions are calculated using the rate of return, predictions of extreme rainfall using the return period for the next two years, in the city of Medan Belawan Maritime Station will reach 122.98 mm, BMKG Region 1 Station will reach a value of 139.13 mm. And the rain monitor in Deli Serdang Regency, the Deli Serdang Geophysics Station is predicted to be a maximum of 218.09 mm, the Kualanamu Meteorological Station is predicted to reach 91.87 mm, the North Sumatra Climatology Station will reach a maximum value of 174.18 mm. Predicted maximum Precipitation extremes can also be calculated for t (time) in future periods
RESILIENSI MATEMATIS MAHASISWA TADRIS MATEMATIKA PADA MATA KULIAH GEOMETRI ANALITIK Ressy Rustanuarsi
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 1 (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.v4i1.293

Abstract

One of the affective aspects believed to support students' success in mathematics is mathematical resilience. This study aims to describe the mathematical resilience of Tadris Matematika students in the analytical geometry course. This study used a descriptive method with a quantitative approach. This study involved all the third-semester students who enrolled in the analytical geometry course in Tadris Matematika IAIN Pontianak, totaling 28 students. Data collection in this study used a mathematical resilience questionnaire consisting of 9 indicators. Data analysis in this study used descriptive statistics. The results showed that: 1) out of 28 students, there are 4 students with high mathematical resilience (14,29%), 19 students with intermediate mathematical resilience (67,85%), and 5 students with low mathematical resilience (17,86%); and 2) based on the achievement of the obtained indicators, improvement is needed in students' attitudes towards recognizing their limitations and understanding the necessary aspects to learn and master analytical geometry
PENGARUH PEMBELAJARAN MATEMATIKA MODEL PROBLEM BASED LEARNING DAN DISCOVERY LEARNING TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA KELAS VIII Aurora Novianty; Aprilia Nurul Chasanah; Megita Dwi Pamungkas
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 1 (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.v4i1.303

Abstract

The purpose of this study was to compare the ability to critical thinking who were taught with PBL better than those taught with DL. The next objective’s the ability to critical thinking with PBL have achieved better completeness than with DL. This research uses research design that’s a quasi experiment form of nonequivalent post-test only control group design. Comparing the post-test results of two samples of 28 students from class VIII-B and 28 students from class VIII-C at SMPN 1 Secang who were selected randomly through a lottery. From Independent Sample t-Test test it produces a value of  then  is accepted, which means that the ability to critical thinking who were taught with PBL better than those taught with DL. Then the completeness proportion difference test’s carried out which produces a value of   then  is accepted which means the ability to critical thinking with PBL have achieved better classical completeness than with DL. From the results hypothesis testing, it can be concluded that the ability to critical thinking who were taught with PBL better than those taught with DL. Then the ability to critical thinking with PBL have achieved better completeness than with DL.
PENERAPAN METODE GEOGRAPHICALLY WEIGHTED REGRESSION PADA TINGKAT PENCEMARAN AIR BERDASARKAN TOTAL COLIFORM DI PROVINSI JAMBI Fitriyani Fitriyani; Sherli Yurinanda; Cut Multahadah
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 1 (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.v4i1.305

Abstract

The purpose of this study is to obtain a local estimation model formed by considering spatial factors on the level of water pollution based on total coliforms in Jambi Province and can determine the most dominant factors affecting the total coliform water of PDAM Districts / Municipalities in Jambi Province using Geographically Weighted Regression (GWR) analysis. The type of data used in this study is primary data in quantitative form. This primary data was obtained by taking PDAM water samples directly in 9 regencies/cities in Jambi Province. The results of GWR analysis show that the dominant factors affecting the total coliform of PDAM water in each district/city in Jambi Province vary with different estimated parameters. The best model formed is a model with the GWR method, the adaptive bisquare weighting function which is shown from the value of the model's goodness criteria, namely the smallest AIC value and the largest coefficient of determination
PENGARUH MATHEMATICS PHOBIA, ADVERSITY QUOTIENT, LOCUS OF CONTROL TERHADAP LITERASI MATEMATIKA PADA SISWA SEKOLAH MENENGAH Muhammad Yogi Ramadhan; Saleh Haji; Hari Sumardi
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 1 (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.v4i1.309

Abstract

This study aims to analyze the effect of math phobia, locus of control, and adversity quotient on the mathematical literacy skills of junior high school students. This type of research is ex post facto research in the form of correlation. The population in this study were all class VII students of SMPQ Darul Maarif and SMP IT Hidayatul Falah Rejang Lebong. The sampling technique used random simple sampling in which 47 students were selected at SMPQ Darul Maarif and 50 students at SMP IT Hidayatul Falah Rejang Lebong. The collection was carried out using a mathematics phobia, locus of control, and adversity quotient questionnaire and test sheets for students' mathematical literacy abilities. Research data were analyzed using path analysis techniques (path analysis). Research shows that there is a significant positive effect both simultaneously and partially between math phobia, locus of control, and adversity quotient on mathematical literacy skills  
ANALISIS KUALITAS SOAL BUATAN GURU DI SMP NEGERI 9 SATAP LANGOWAN PADA MATA PELAJARAN MATEMATIKA Josua Titanio Manarisip; Rosiah Juliati Pulukadang; Nicky Kurnia Tumalun
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 1 (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.v4i1.310

Abstract

This study aims to describe the quality of questions made by teachers at SMP Negeri 9 Satap Langowan in mathematics, in terms of validity, reliability, level of difficulty, distinguishing power and distractors of the questions. This research method is a type of descriptive research with a quantitative approach. The research data is collected by interview and taking the students answer paper. The research data is processed by using SPSS (Statistical Package for Social Science) for windows version 22 and the Microsoft Excel 2013 program. The results showed that in class VII: 40% valid test; reliability test results at 0.972; difficulty level of 20% easy, 50% medium, and 30% difficult; discriminating power of 50% is bad, 40% is enough, and 10% is good; and there are 2 distractor items not working. Whereas in class VIII: 70% valid: reliability test results at 0.979; difficulty level of 10% easy, 70% medium, and 20% difficult; discriminating power of 20% poor, 20% fair, 40% good, 10% very good, and 10% negative; and there are 5 distractor items not working. The results showed that for class VII the quality of the questions was categorized as good in terms of reliability and distractors, while class VIII was categorized as good in terms of validity, reliability, level of difficulty, discriminating power, and distractor
OPTIMASI PRODUKSI SEPATU NIKE PADA PT PRATAMA ABADI INDUSTRI DENGAN MENGGUNAKAN METODE PROGRAM DINAMIK Nurul Pratiwi; Yulianti Rusdiana
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 1 (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.v4i1.311

Abstract

This considers points to discover out how to optimize Nike shoe items at PT Pratama Abadi. The strategy utilized in analyzing the is the recursive energetic programming strategy. To anticipate the sum of generation that must be delivered within the future utilizing straight relapse, at that point to calculate generation costs that must be least and benefits in agreement with the schedulling energetic programming strategy is utilized. From the figure comes about on Nike shoe generation information January-December 2021, the show for the coming period is as takes after:Ŷ = 44.150 + 332 X. So the Nike shoe generation plan for the another 12 periods Jnauary- december 2021 is (44.931, 45.267, 45.602, 45.936, 46.272, 46.607, 46.941, 47.277, 47.621, 47.946, 48.282, 48.616, pairs of shoes). To play down generation costs, the energetic programming strategy is utilized to get a least add up to taken a toll of Rp. 1.347.093.600,
PENGARUH KREATIVITAS DAN PENYESUAIAN DIRI SISWA TERHADAP HASIL BELAJAR MATEMATIKA SISWA KELAS VII Syanet Kontur; Patricia V.J. Runtu; Nicky Kurnia Tumalun
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 1 (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.v4i1.312

Abstract

This study aims to determine the effect of creativity and self-adjustment of students on mathematics learning outcomes. The method in this study is a survey method. This research was conducted at SMP Negeri 2 Tondano in the even semester of the 2022/2023 academic year. The population in this study were all students of class VII from four classes with a total of 106 students. The sample in this study amounted to 68 students of class VII. Data collection techniques using a questionnaire. The variables of student creativity and adjustment were revealed by means of a questionnaire, and the results of learning mathematics were obtained from the grade VII student report cards for the even semester of the 2022/2023 academic year at SMP Negeri 2 Tondano. In this study Multiple Linear Regression Analysis is used to test the hypothesis. The results of the hypothesis test showed that creativity and self-adjustment of students had a positive effect on student learning outcomes of 47.3%. Based on the results of this study, it can be concluded that creativity and self-adjustment of students have a positive effect on student learning outcomes
KETERAMPILAN COLLABORATIVE PROBLEM SOLVING SISWA DALAM MENYELESAIKAN MASALAH MATEMATIKA Khoirun Nisa; Tatag Yuli Eko Siswono; Rooselyna Ekawati
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 2 (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.v4i2.314

Abstract

This study is descriptive research that aims to describe students' collaborative problem solving (CPS) skills in solving mathematics problems. The subjects in this study were 6 students at grade XI consisting of 2 students with high mathematical abilities, 2 students with moderate mathematical abilities, and 2 students with low mathematical abilities. The six of them were divided into 3 groups consisting of 2 students with different mathematical abilities. The three groups were given mathematics problems to be solved collaboratively. The results of this study were analyzed using the semiotic Peirce model approach which uses a trichotomous relationship between representamen (Z), interpretant (I), and object (O) to show the CPS process that occurs. The results of the study show that students' CPS skills vary. The CPS process of high and moderate mathematical ability students is running quite well. Meanwhile, the CPS process of high and low mathematical ability students and moderate and low mathematical ability students was not as good as expected because of the little interaction or discussion between the members of the group in solving problems
PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP KEMAMPUAN BERPIKIR KREATIF DAN SELF- EFFICACY PADA MATERI TRIGONOMETRI SMA Yana Royana; Hanifah Hanifah; Zamzaili Zamzaili; Saleh Haji
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 2 (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.v4i2.316

Abstract

The purpose of this study was to determine the effect of the problem-based learning (PBL) model on students' creative thinking abilities and self-efficacy. The type of research used is quasi-experimental. This research was conducted at senior high school Sukakarya Musi Rawas with a population of all class X students totaling 114 students. The sample was selected by simple random sampling technique with class X MIA 1 as the experimental class and class X MIA 3 as the control class with 30 students each. Data collection methods are observation, tests, interviews, and documentation. Data analysis used multivariate statistical tests analysis of variance. The results of the study show that: there is a significant effect of using the PBL model on students' creative thinking abilities. There is a significant influence of students' Self-Efficacy abilities using the PBL model on students' mathematical problem-solving abilities

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