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Percentiles, quartiles and box plots quiz

Question 1 of 5

In the 20 values 2, 2, 3, 4, 5, 5, 5, 6, 7, 8, 8, 8, 8, 8, 9, 9, 10, 11, 11, 12, what is the percentile rank of 10 when you count the values below it?

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