JSS3 Second Term Internet and Communication Technology (ICT) Lesson Note – Graph

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WEEK 6

TOPIC: GRAPH

CONTENT:   – Creating Graph                 

Sub-Topic 1: CREATING GRAPH

GRAPH: A graph is a diagram showing the relationship that exist among variables, quantities (varies data), usually of two, each measured along one of a pair of axes at right angles. It may not be possible to plot a graph without value. The excel spreadsheet provides the values that are plotted.

Creating graph

To create a graph, you can either use the chart wizard or press the F11 key

Types of Chart

1. Line graph
2. Histograms
3. Pie-charts
4. Legends

Line graph: Line graphs are often used to plot changes in data over time, such as monthly temperature changes or daily changes in stock market prices. Line graphs have a vertical axis and a horizontal axis. If you are plotting changes in data over time, time is plotted along the horizontal or x-axis and your other data, such as rainfall amounts is plotted as individual points along the vertical or y-axis

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