Federal Tax Revenue Sources
Yes, the pie chart is misleading because the sum of the percentages of the categories does not equal 100%, which is a fundamental requirement for pie charts. The total here is 100% (37% + 21% + 25% + 17% = 100%), so there is no error. However, if the original claim of it being misleading is correct, there might be an issue with the data representation or interpretation not visible in the provided data. Further investigation into the context and calculation might be necessary.