A line chart or line graph is a type of chart which displays information as a series of data points called ‘markers’ connected by straight line segments.
Here is a video that showing you how to build a chart report:
Line chart accepts two or more columns. The second through the last column must be numeric.
|Dimension (X Axis)||Measure Y-Axis||...|
|Label 1||Row 1||...|
|Label 2||Row 2||...|
|Label 3||Row 3||...|