Answer:
The correct answer is letter "A": a clustered bar chart.
Step-by-step explanation:
A clustered bar chart is a graph that displays clustered bars one next to the other where each bar represents one variable. Those bars can be drawn vertically and horizontally. The group of data is used labeled into two categories one of them in the "X" axis and the other in the "Y" axis. The information is entered and the fluctuations in the variables can be compared by measuring the size of the bars.