Tam is an office manager in charge of ordering and managing the use of office supplies. Lately, the office has been going through boxes of paper and copier ink very quickly, so Tam wants to compare the number of copies made during each of the last three months using the printing codes of the three executives in the office. Which type of chart would best help Tam make this comparison?

A)a clustered bar chart
B)an organizational chart
C)a bilateral column chart
D)a flowchart
E)a decision tree

The correct answer is letter "A": a clustered bar chart.

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.

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