The scores of 9 students are arranged in ascending order: 10, 12, 15, 18, 20, 22, 25, 28, 30. What is the third quartile (Q3)?, 20, 22, 25, 28, The running times (in minutes) of 10 athletes are arranged in ascending order: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15. What is the 4th decile (D4)?, 8, 9, 10, 11, What is the position of the 7th decile (D7)?, 24th value, 25th value, 28th value, 30th value, What is the approximate value of D7?, 44.25, 45.50, 46.21, 48.00, If D7 ≈ 46.21, what does this mean?, At most 70% of the students scored less than 46.21, while at most 30% scored higher., At most 70% of the students scored higher than 46.21, while at most 30% scored lower., D7 is the highest score in the class., Only 7 students scored more than 46.21..

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