SOF International Mathematics Olympiad (IMO)
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Set D
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2024
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Sample
Find the mode of the data set: 12, 19, 19, 11, 19, 5, 17
Explanation
Explanation
The mode is the value that occurs most frequently in the data set. Here 19 appears 3 times while every other value appears only once, so the mode is 19.
PRO TIP
Re-check your working by substituting the answer back into the original question.