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Copy of What to remember when drawing a graph or chart
Transcript of Copy of What to remember when drawing a graph or chart
Make it as big as the paper or screen will allow to make it easy to read
Give it a title to explain what the graph is showing but keep it simple and clear.
Graph to show..........
Choose an appropriate scale
It should be 1 scale point above your highest number
It doesn't have to start at zero if it is not appropriate but make sure you show this clearly
You don't have to label every division but use a sensible format; going up in 2, 5 or 10 is usually best
If you are drawing a graph by hand...
Use sharp pencils
Use graph or squared paper
Plan what you are going draw
Make sure each bar is the same width and the gaps between them are the same too
Keep it neat
Take your time
Label both axis clearly with what they are representing
Put on a key if necessary
You may need to write the values on each bar or point if the scale is difficult to read
Remember a chart or graph is there to make the information easier to read and analyse.
Make it clear
Bar charts are used to represent discrete data.
These are things that can be counted e.g. cars, people, money, opinions
When to use a bar chart
They can also be called column charts as in Microsoft Excel
Line graphs are used to represent continuous data.
These are things that can be measured e.g. weight, time, height, temperature
When to use a line graph