Research On The Current Situation And Teaching Strategy Of Data Analysis Concept Of Junior High School Students

In 2020,the world will completely enter the era of big data,and statistics will be used in all fields of our life.The concept of data analysis has become an important quality of citizens,and "data analysis concept" will be listed in the top ten core concepts of mathematics curriculum standard of compulsory education(2011 Edition).The improvement of the development level of data analysis concept is helpful to Cultivate Junior High School Students' ability of using data to speak,to understand the mathematical idea of randomness,and then to analyze and solve problems rationally and dialectically.This paper divides the concept of data analysis into three dimensions through the study of previous studies.Each dimension is divided into four levels through Benjamin Bloom's cognitive goal taxonomy,and on this basis,the corresponding test paper of data analysis concept of junior high school students is compiled.87 students in Z city are tested,and the relevant conclusions of the development of data analysis concept of junior high school students are obtained through the analysis of the test results:1.The overall development level of junior high school students 'data analysis concepts is low,and there is no grade differenceThe overall average score of the data analysis concept development test for junior high school students was 35.31,which did not reach the passing line of 36 points,so it did not meet the requirements of the curriculum standard in the overall situation.2.Junior high school students have mastered basic data analysis methods and have a low level of applicationThe understanding of data analysis methods is not in place,and the data analysis methods learned are not summarized at ordinary times,which can not be reasonably applied to real life.3.Junior high school students have a low level of mastery of randomness of eventsMost of them can only do simple probability calculation,and can't apply the connection between frequency and probability to real life.Based on the relevant research on the development of the above data analysis concept,the following teaching strategies are provided for the teaching of "statistics and probability" : 1.Using the platform of smart classroom to create experiential situation;2.Conducting in-depth research on teaching environment to encourage divergent thinking;3.Giving full play to teachers' Teaching wit to guide and understand randomness;4.Establishing multiple evaluation system and adhering to development teaching.