The accompanying graph is an example of
A)experimental data.
B)cross-sectional data.
C)a time series.
D)longitudinal data.

Question

The accompanying graph  is an example of
A)experimental data. 
B)cross-sectional data. 
C)a time series. 
D)longitudinal data.

Quizplus · Accepted Answer

The graph shows a series of data points plotted over time, which is characteristic of a time series. It does not involve manipulating or changing any variables, which would be necessary for experimental or longitudinal data, and it does not involve surveying a group of individuals at a single point in time, which is common in cross-sectional data.

The Accompanying Graph Is an Example of