Basic concepts and characteristics of 1. bar chart. Bar chart is a common statistical chart, which shows the size and relative relationship of data through the length and height of bars. Bar charts are intuitive, easy to understand and compare, and can clearly show the distribution and differences of data. In the mathematical tabloid, we can briefly introduce the concept, characteristics and application of bar graph in practical problems.
2. Methods and steps of making bar charts. Making a bar chart requires collecting data, sorting out data, drawing charts and other steps. First of all, we should make clear the research problems and collected data, then sort out and analyze the data, and finally draw a histogram according to the analysis results. In mathematical tabloids, these steps can be introduced in detail, and specific examples and analysis results are given to help readers better understand the methods and skills of making bar statistical charts.
3. Application example and analysis of bar graph. Bar charts can be used in various fields, such as business, society, science and so on. In the mathematical tabloids, some representative application examples can be selected for analysis and discussion, such as the comparison of enterprise sales data, the display of census data and the comparison of scientific research data. Through the analysis and discussion of specific cases, we can better understand the application value and method of bar graph.
Matters needing attention in making bar chart tabloid and mathematical tabloid;
1. Determine the theme and data source: Before making a bar chart tabloid, you need to define the theme and data source. Choose a representative problem or data set to show the application effect of bar graph.
2. Data processing and sorting: After data collection, it needs to be processed and sorted. Remove abnormal values, fill in missing values, and convert data formats to ensure accurate and reliable data. At the same time, according to the characteristics and analysis requirements of the data, it is necessary to organize the data into a tabular form suitable for drawing bar statistical charts.
3. Select the appropriate chart type: select the appropriate chart type according to the data characteristics and analysis requirements. Bar charts are usually used to show the distribution and contrast of data. You can choose horizontal or vertical bar charts and area charts. At the same time, you need to consider the size, color, label and other details of the chart to ensure that the chart is clear and easy to read.
4. Design and typesetting: attention should be paid to design and typesetting when making bar statistical chart tabloids. Simple and generous style, clear font and neat layout make the whole tabloid readable and elegant. You can use headlines, subtitles, legends, notes and other elements to enhance the layering and readability of tabloids.