Time Series Graphs Flashcards

All 5 cards in this deck

What is a time series graph?

A line graph showing how a quantity changes over time, with time on the horizontal axis.

Which axis is used for time on a time series graph?

The horizontal axis.

How are the plotted points joined on a time series graph?

With straight line segments, in time order.

What does 'describe the trend' mean for a time series graph?

State the general direction of the values over time, e.g. the trend is upwards (increasing) or downwards (decreasing).

True or false? Values read from between two plotted points on a time series graph are only estimates.

True.
No data was collected between the points; the joining line is only a guide.