Which graph is best to compare the populations of $5$ different cities at a single point in time?

Which graph is best to compare the populations of $5$ different cities at a single point in time?
  1. Pie chart
  2. Bar graph
  3. Distance-time graph
  4. Line graph

Solution

A bar graph is well suited to comparing discrete quantities (here, $5$ cities) using equal-width bars.

Asked in: IMO

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