Quartiles, IQR and box plots
6th grade (Year 7 in England) · 16 questions · Common Core: 6.SP.B.4, 6.SP.B.5.C · England: GCSE Higher Statistics
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Date
Score/ 16
Question 1
Find the interquartile range of: 5, 5, 10, 23, 26, 33, 35
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Question 2
A box plot shows: minimum 10, Q1 17, median 21, Q3 26, maximum 29. What is the range?
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Question 3
Find the lower quartile (Q1) of: 5, 7, 8, 10, 23, 23, 27, 30, 33, 36, 39
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Question 4
A box plot shows: minimum 10, Q1 12, median 16, Q3 24, maximum 27. What is the interquartile range?
Answer
Question 5
Find the interquartile range of: 5, 6, 7, 9, 9, 12, 12, 19, 24, 28, 35
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Question 6
A box plot shows: minimum 2, Q1 6, median 8, Q3 15, maximum 17. What is the interquartile range?
Answer
Question 7
Find the lower quartile (Q1) of: 9, 15, 17, 20, 20, 20, 24, 32, 33, 37, 40
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Question 8
A box plot shows: minimum 10, Q1 16, median 19, Q3 24, maximum 28. What is the median?
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Question 9
Find the interquartile range of: 11, 11, 18, 19, 20, 23, 27, 28, 31, 37, 39
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Question 10
A box plot shows: minimum 7, Q1 15, median 23, Q3 30, maximum 32. What is the range?
Answer
Question 11
Find the lower quartile (Q1) of: 6, 12, 13, 24, 28, 35, 35, 36, 38, 39, 40
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Question 12
A box plot shows: minimum 9, Q1 12, median 20, Q3 27, maximum 37. What is the median?
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Question 13
Find the lower quartile (Q1) of: 6, 7, 8, 8, 12, 14, 15, 17, 17, 21, 34
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Question 14
A box plot shows: minimum 8, Q1 14, median 20, Q3 28, maximum 31. What is the range?
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Question 15
Find the interquartile range of: 8, 9, 17, 24, 24, 30, 31, 32, 35, 37, 39
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Question 16
A box plot shows: minimum 8, Q1 14, median 16, Q3 23, maximum 27. What is the interquartile range?
Answer
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