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A line chart is a basic type of chart.
In a line chart the series of data points are connected by line segments. The numbers along the side of the line chart represent the scale.
It is an extension of a scatter plot.
Example:
Draw the line chart for the following data.
| Year |
Population (in Millions) |
1950 |
45 |
1960 |
56 |
1970 |
67 |
1980 |
82 |
1990 |
98 |
2000 |
104 |
2010 |
120 |
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| Sol: Let us plot the line chart for the given data |
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Try these questions : |
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| 1. |
In a line chart the series of data points are connected by |
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a. |
Dots |
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b. |
Line segments |
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c. |
Lines |
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d. |
Nothing |
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Answer: B
A line graph connects data points by line segments. |
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