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What are the statistical methods of primary school mathematics?
1. statistical table: sort out the original data obtained from statistical investigation to obtain data describing social phenomena and their development process, and arrange these data in a certain order in a table to form a statistical table. Statistical table is a variety of graphics drawn by geometric figures, physical images and maps according to statistics. It is intuitive, vivid and concrete.

2. Sector statistics chart: Sector statistics chart represents the total with the whole circle, and the size of each sector in the circle represents the percentage of each part in the total. The sum of the percentages of each part in the departmental statistical chart is1;

3. Broken-line statistical chart: a statistical chart that indicates the increase or decrease of statistics by the rise or fall of broken lines, which is called broken-line statistical chart. The greater the change of broken line, the greater the change of quantitative relationship. Compared with bar charts, line charts can not only show the quantity, but also reflect the changes of data.