Meanings of simple graph in English

A simple graph, it tracked fourth-grade reading scores.

Sir, -A simple graph over time of cumulative test swabs to date and also cumulative test results to date would tell a multitude.

You can trace the history of America's shame, from slave times to the present day, in a set of simple graphs.

We found that simple formats ( simple graphs or written text) were generally preferred to more complex graphical information, regardless of educational level.