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A graph, often used for displaying time-series data, in which a series of points representing individual observations are connected by line segments.
Line graphs are useful for showing changes in a variable over time.
Example
Daily sales, in thousands of dollars, for a hardware store were recorded for 28 days. These data are displayed on the line graph below.
Curriculum achievement objectives references
Statistical investigation: Levels (3), (4), (5), (6), (7), (8)
