A line plot marks each data value with an X above a number line, so the height of each stack shows how often that value occurs. It makes the mode and the range readable at a glance.
Math Dictionary / Line Plot
Line Plot
A line plot shows data values along a number line, often with marks above each value.
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What it means
It is useful for small data sets and repeated values.
Also called: dot plot
Examples
| Three X marks above 5 means three values are 5 |
| A line plot can show measurement data |
| Repeated values stack above the number line |
Common mistake
Do not confuse a line plot with a line graph; a line plot shows individual data values.
Try one
Question: What does each X usually represent on a line plot?
Show answer
One data value.