EXPLANATION;
Given;
We are given a graph that shows the distribution of a set of data.
Required;
We are required to give the best description of the diagram.
Step-by-step explanation;
The diagram shows the distribution of data and what we can observe is that
The Mean
The Median and
The Mode
are all found in the middle region of the diagram and this is best described as a "bell shaped distribution."
ANSWER:
Bell-Shaped