Fewer information on a bar graph allows one to understand it faster than a bar graph with an abundant information

The bar graph shows the data on how Romania uses their phone in March 2015 while the bar graph on the bottom shows how likely older teens will own cell phones. Though both graph sends their message well, it is evident the Romania's bar graph is better than the phone's bar graph.

The Romania data clearly list the the most use of their phones in order based on percentage and exactly label the value of each bar. Thus it is simple and quick to learn about the bar graph. Unlike the Romania data graph where it focuses on one year, the teen owning cell phone bar graph focuses on three different years, as a result, the Older teen graph looks more clustered.

Not only that but the labels are inconsistent as one bar graph is labeled with a percentage while the other two, in the same section, is not. Since the older teen graph has age as a continuous measurement, it will be better to use a line graph as it can compare changes over a period of time.

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