1. Excel
Charts

2. Objectives Importance of charts Types of charts
Procedures of creating a chart

3. Importance of chart
Chart is a graphical way to present numerical data which is sometimes hard to look at.
Compare the two ways of presentation below, can you easily find out the overall situation of the average marks?

4. Types of charts Bar chart
Showing comparison between different sets of data.

5. Types of charts
Line chart
Showing changing trend of a set of data

6. Types of charts Pie chart
Showing the percentage proportions among data items

7. Types of charts XY scatter chart
Displaying the relationship between two sets of data, i.e. a set of data for the X coordinate, another set of data for Y coordinate, both together form a point on the chart.

8. Think & Answer：Point out the best type of chart to be used in the following cases
Bar chart
Display the marks in an examination.
Show the ratios of items in a money budget.
Show the Hang Seng Index in a year’s time.
Pie chart
Line chart

9. Procedures of creating a chart
1. Select the data set to be displayed in the chart.
2. Press the icon in the tool bar or choose it from the “Insert” menu.
3. Choose an appropriate chart.
4. Follow the steps to finish creating the chart. 2 1 3

10. END