Cung cấp tùy chọn hiển thị các lỗi dự toán thống kê hoặc độ lệch chuẩn trong các giá trị hoặc là giá trị hoặc tỷ lệ. Tùy chọn này là thuận tiện cho việc trình bày các kết quả của một cuộc điều tra thống kê mà bạn cần phải thể hiện tính hợp lệ | CHAPTER 12 Create Charts and Graphs 313 Patterns Axis Y Error Bars Data Labels and Options. The 3-D and pie series Format dialog boxes show four tabs. The Patterns tab offers the same color border and fill options as before. The other tabs offer the following options Axis tab Specifies whether to plot the series on the primary or secondary axis. A sample chart illustrates the current choice. Y Error Bars tab Offers the option of displaying the statistical error estimation or the standard deviation in the values either as values or percentages. This option is handy for presenting the results of a statistical survey for which you need to express the validity. Data Labels tab Enables you to display the data values and labels with the data series. You can display the values as percentages or in the unit of the value itself. Options tab For a column data series this tab enables you to overlap the series and set the amount of overlap and also specify the amount of space between the sets of data series. Options vary with different types of data series. A 3-D column data series Format dialog box includes the Shape tab that offers different configurations including cones pyramids and cylinders. When you choose to format the data table that you have added below the chart you see only two tabs in the Format dialog box Patterns and Font. To format the plot area or the walls of a chart you have only the Patterns options. Change Chart Type When you are creating charts to analyze the data in your database you may want to try out different representations. You may want to show trends with a line chart or comparative values with a pie chart. There are two ways to change the chart type Click the Chart Type toolbar button and choose from the palette containing 18 chart types. 12 314 How to Do Everything with Microsoft Office Access 2003 Choose Chart Chart Type and choose from the Chart Type dialog box. The Standard Types include 14 types with many sub-types for each. In the Standard
