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Yes, the pie chart is misleading. The sum of the values (18 + 12 + 13 + 10 = 53) does not add up to 100%, which is a fundamental requirement for pie charts. Pie charts are meant to represent parts of a whole, and the total should always be 100%. When the values do not sum to 100%, it can mislead viewers about the proportions of each segment relative to the whole.