ExcelExcelChartsCharts

ObjectivesObjectives

Importance of chartsImportance of chartsTypes of chartsTypes of chartsProcedures of creating a chartProcedures of creating a chart

Importance of chartImportance of chart Chart is a graphical way to present numerical data Chart is a graphical way to present numerical data

which is sometimes hard to look at.which is sometimes hard to look at. Compare the two ways of presentation below, can you Compare the two ways of presentation below, can you

easily find out the overall situation of the average easily find out the overall situation of the average marks?marks?

Types of chartsTypes of charts

Bar chartBar chart Showing comparison Showing comparison

between different sets of between different sets of data.data.

Bar chart

Line chartLine chart Showing changing trend Showing changing trend

of a set of dataof a set of data

Line chart

Types of chartsTypes of charts

Pie chartPie chart Showing the percentage proportions among Showing the percentage proportions among

data data itemsitems

Pie chart

Types of chartsTypes of charts

XY scatter chartXY scatter chart Displaying the relationship between Displaying the relationship between

two sets of data, i.e. a set of data for two sets of data, i.e. a set of data for the X coordinate, another set of the X coordinate, another set of data for Y coordinate, both together data for Y coordinate, both together form a point on the chart.form a point on the chart.

XY scatter chart

Types of chartsTypes of charts

Think & AnswerThink & Answer ：： Point out the best Point out the best type of chart to be used in the following type of chart to be used in the following

casescases Display the marks in Display the marks in

an examination.an examination.

Show the ratios of items Show the ratios of items in a money budget.in a money budget.

Show the Hang Seng Index Show the Hang Seng Index in a year’s time.in a year’s time.

Bar chart

Bar chart

Pie chart

Pie chart

Line chart

Line chart

Procedures of creating a chartProcedures of creating a chart

1.1. Select the data set to be displSelect the data set to be displayed in the chart.ayed in the chart.

2. Press the icon in the tool bar 2. Press the icon in the tool bar or choose it from the “Insert” or choose it from the “Insert” menu.menu.

3. Choose an appropriate chart.3. Choose an appropriate chart.4. Follow the steps to finish cre4. Follow the steps to finish cre

ating the chart.ating the chart.

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