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High School Stuends’ Understanding of Measure of Central Tendercy

Author: LiLing
Tutor: WuYingKang
School: East China Normal University
Course: Education
Keywords: Concentration Magnitude Mean Median Plural Senior high school student Understanding
CLC: G633.6
Type: Master's thesis
Year: 2009
Downloads: 79
Quote: 0
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Abstract


The papers in reference to Watson (1997) theory of the three levels of statistical literacy and Lajoie, Jacobs Lavigne (1995) and Gal (2002) for statistical literacy understanding of the basis of the high school students' understanding of the focus on the amount of numbers divided into three horizontal. The first level: can be calculated according to the number of concentrated amount of formula; second level: in a realistic context, the appropriate choice of the focus on the amount of the number of statistics to solve practical problems; Third level: in the real context of the amount of concentrate used reasonable explanation reason for the number of statistics to solve practical problems. According to the framework, four research questions are: One is the high school students to calculate the average of a set of data, mode, median level? Second is the realistic background of the problem, the high school students to use the average how the number or plural, or the median of a set of data to describe the \Fourth, the high school students understanding of central-measurement in grade school, gender whether the existence of differences? this study selected the 155 students from Shanghai, a key middle school and one of the ordinary secondary schools 176 students, of them carried out the About concentrated amount of the number understanding of the level of the test, and select the part of the students interviewed. The main findings of the study: for the direct application of the concentrated amount of number of definitions and formulas subject, most students can answer correctly, but can also occur in the conceptual understanding and computational process error. 2, most of the students can choose appropriate statistics to solve real background statistics, 3, in determining whether some statistics to describe some specific issues, the judgment of the students is very high. But select the statistics reasons, convincing enough. 4, the average number of still \\5 students answer blank with the topic level level incremental rate is also incremented. The data from the study found that high school students understanding of the focus on the amount of numbers a significant difference in the school, but they in no significant differences in grade and gender. Finally, on the basis of the findings given some recommendations: teaching, teachers must change their attitude, to pay full attention to the value of statistical education in life. Focus on effective implementation of statistical knowledge in the classroom teaching. Make teaching students to further clarify the relationship between the number of three concentrated amount and the applicable conditions. 3, since the study found that high school students have greater difficulty in explaining the selection of Concentration Magnitude reason, the establishment of the teachers to focus on training students mathematical ability to communicate (including written and oral communication). 4, teachers usually with students a little more interactive, a little more in-depth contact, which found that students in understanding the typical error Concentration Magnitude and time to help the students to correct their mistakes.

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CLC: > Culture, science,education, sports > Education > Secondary education > Subjects teaching methods, teaching aids > Mathematics
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