Which type of data is best represented by a bar graph?

A.

change in data over time

B.

each response shown by an X or dot

C.

parts of a total amount

D.

data that are compared using bars

A bar chart or bar graph is a chart or graph that presents grouped data with rectangular bars with lengths proportional to the values that they represent. The bars can be plotted vertically or horizontally. A vertical bar chart is sometimes called a Line graph.

The answer D is correct