Reading Trends with Time-Series Graphs

A time-series graph shows repeated measurements taken at successive intervals of time. It is also called a time series chart. This type of line graph helps organize data that changes over time.

To build a time-series graph, use both parts of a paired data set. Plot the time increments on the hori...

Quantitative data collected at different time points are  called time-series data.  

For example, consider the increase in water temperature when heated. Such data sets with a time factor can be visualized using the time-series graph.

Begin by measuring the temperature of the water at regular intervals and noting it in a table. Nex...