Abstract
The concept of independence in high school probability and statistics helps to solve real-life probability problems and plays a key role in connecting probability and statistics areas. However, due to the complexity of the concept of independence and the difficulty of instruction in school mathematics, there is a possibility that only formal contents rather than the original meaning of the concept of independence will be delivered to students. In order to explore the fundamental causes of ‘difficulties in understanding the concept of independence’ and ‘problems in the method of teaching the concept of independence’, The concepts of ‘independence’ and ‘trial’ were analyzed through curriculum and textbooks, and 41 high school mathematics teachers were surveyed for their understanding of the concept of independence. Based on these contents, implications for the method of teaching the concept of independence in high school probability and statistics subjects were found, and the direction of improvement in curriculum design and textbook development was discussed.
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