Which graph is most suitable for comparing parts of a single whole (e.g. percentages of expenditure on…

Which graph is most suitable for comparing parts of a single whole (e.g. percentages of expenditure on different items)?
  1. Bar graph
  2. Line graph
  3. Pie chart
  4. Histogram

Solution

A pie chart represents parts of a whole, with each sector's angle proportional to the share.

Asked in: IMO

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