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How Science Works
How to Present Data - Line Graph - Scattergram.
There are a number of different ways of presenting data.
When both the independent variable and the dependent
are continuous, then the data is best shown as a line graph.
A graph showing the individual
points of one variable
plotted against the other variable is called a scattergram.
For example, the graph below shows
of the mass of a car plotted against its braking distance.
A line of best fit can
show the relationship between the variables.
In this case the relationship is directly proportional.
Other forms of data can be presented as a bar chart.
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