The phrase "graph indicates" is correct and usable in written English.
You can use it when you want to refer to a graph that shows or points to something. For example, "The graph indicates that the number of people using social media is increasing rapidly."
Graph indicates the number of surviving cells after the indicated number of divisions.
(a) Bar graph indicates the mean accuracy of each group on each training day.
Graph indicates the percentage of cases displaying strong or low staining intensity of PARP14.
A graph indicates whether you are hitting the notes correctly; the more accurately you sing, the better your score.
Not one graph indicates that gun levels have done anything but rocket since Mr Obama took office.
The graph indicates that although a large number of companies generate little operating cash flow, most of them do not file for bankruptcy.
The graph indicates the presence of the vessels throughout the scaffolds' thickness (distributed in the 3 areas) (n = 3, *p < 0.05).
The weather model of meteorologist Edward LorenzThe x-, y-, and z-axes correspond to components of the weather, while the graph indicates feasible weather patterns.
There has been a rise in the percentage of young English students from low-participation neighbourhoods starting a full-time course – but as the graph indicates, the increase has been slight.
Simple math shows who benefits from this arrangement (Figure 1).[i] Color coding in the graph indicates how each party voted in two recent, pivotal votes.
As the graph indicates, the numbers of African Americans rose significantly during the middle decades of the twentieth century, and have declined slightly in absolute numbers, even as their numbers fall even further in relative terms.
