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A comparative analysis of the 2009-revised curriculum and 2015-revised curriculum on the definition and introduction of continuous probability distribution
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연속확률분포의 정의와 도입 방법에 대한 2009개정 교육과정과 2015개정 교육과정의 비교 분석 연구

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Type
Academic journal
Author
Journal
한국수학교육학회 수학교육 수학교육 제58권 제4호 KCI Accredited Journals
Published
2019.1
Pages
531 - 543 (13page)

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A comparative analysis of the 2009-revised curriculum and 2015-revised curriculum on the definition and introduction of continuous probability distribution
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Continuous probability distribution was one of the mathematics concept that students had difficulty. This study analyzed the definition and introduction of the continuous probability distribution under the 2009-revised curriculum and 2015-revised curriculum. In this study, the following subjects were studied. Firstly, definitions of continuous probability variable in ‘Probability and Statistics’ textbook developed under the 2009-revised curriculum and 2015-revised curriculum were analyzed. Secondly, introductions of continuous probability distribution in ‘Probability and Statistics’ textbook developed under the 2009-revised curriculum and 2015-revised curriculum were analyzed. The results of this study were as follows. First, 8 textbooks under the 2009-revised curriculum defined the continuous probability variable as probability variable with all the real values within a range or an interval. And 1 textbook under the 2009-revised curriculum defined the continuous probability variable as probability variable when the set of its value is uncountable. But all textbooks under the 2015-revised curriculum defined the continuous probability variable as probability variable with all the real values within a range. Second, 4 textbooks under the 2009-revised curriculum and 4 textbooks under 2015-revised curriculum introduced a continuous random distribution using an uniformly distribution. And 5 textbooks under the 2009-revised curriculum and 5 textbooks under the 2015-revised curriculum introduced a continuous random distribution using a relative frequency density.
#continuous probability variable #continuous probability distribution #textbook analysis #2015-revised curriculum

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Bae, J. S. / 2019 / Probability and Statistics / Geumsung Publishing google schola 최지선 / 2014 / 확률변수 개념에 대한 예비교사의 이해 / 학교수학 16(1):19~37 google schola Das, K. K / 2011 / Statistics for Business and Marketing Research / PHI Learning Private Limited google schola Everhart, T. E. / 2013 / The Mathematical Sciences in 2025 / The National Academies Press google schola Haighton, J. / 2004 / As Use of Maths : Statistics / Nelson Thornes google schola

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