Tham khảo tài liệu 'reallife math phần 3', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Charts Figure 12. Figure 13. 900 850 700 650 500 400 350 200 100 0 School 1 Figure 14. pie and the whole pie would represent the total points scored. Alternatively to look at points scored by just three players a pie chart is not useful because other points could have been scored by different players and the players do not represent the whole they are only a fraction of the whole. USING THE COMPUTER TO CREATE CHARTS There are many computer programs that quickly do most chart plotting. The most common is Microsoft Excel which has many different predetermined chart templates based on the three basic charts and formats data into a chart. Excel and other charting programs have created preformatted charts to represent data in as many ways as possible but at the root of all these charts are the three basic chart formats. One area where they have made significant changes in appearance is in area charts or other three-dimensional chart types. While the basic charting procedure is basically the same these charting programs have tried to add a third dimension depth to the basic two-dimensional chart. While this is helpful with very specific types of data the two-dimensional charts are still the most commonly used. CHOOSING THE RIGHT TYPE OF CHART FOR THE DATA Organization of data is an important part of telling a story and conveying that story to others. Charts are a quick way of showing the relational aspects of different categorized data sets charts take the quantitative aspects of information and create a picture to make it easier for the viewer to quickly see relationships. Therefore choosing the correct chart to represent data sets is a key element of conveying the story and communicating how the data looks. For example at the beginning of the semester the math teacher makes the following announcement the school administrators want to analyze the demographics of this high school relative to three other high schools in neighboring states. Furthermore the administration .
