Given:
44, 38, 21, 37, 48, 43, 28
To find the box-and-Visker plot representing the given data:
Let us write it in ascending order.
21, 28, 37, 38, 43, 44, 48.
The median of the given data is 38.
The median of the first three terms is 28.
The median of the last three terms is 44.
The lowest of the given data is 21.
The highest of the given data is 48.
Hence, the correct option c.