This lesson includes 9 additional questions and 126 additional question variations for subscribers.
Lesson Worksheet: Interquartile Range Mathematics • 6th Grade
In this worksheet, we will practice finding the interquartile range.
Q5:
The table shows the number of artifacts found by each member of an expedition during an excavation at a historical site. Find the range and the interquartile range of the data.
Expedition Member | Michael | Natalie | Madison | Jennifer | Jacob | James | Jackson |
---|---|---|---|---|---|---|---|
Number of Artifacts | 5 | 4 | 5 | 5 | 6 | 5 | 10 |
- ARange: 10, interquartile range: 1
- BRange: 6, interquartile range: 6
- CRange: 6, interquartile range: 1
- DRange: 10, interquartile range: 6
Q6:
Which two sets of data have the same range but different interquartile ranges?
- A26, 14, 21, 26, 23, 23 and 30, 23, 19, 15, 24, 14
- B21, 22, 14, 25, 28, 29 and 28, 24, 19, 17, 15, 17
- C8, 12, 13, 6, 5, 5 and 5, 13, 5, 8, 10, 10
- D8, 10, 9, 11, 9, 11 and 6, 9, 7, 11, 9, 11
Q7:
A set of data’s minimum is 1.71, its lower quartile is 2.05, its median is 6.86, its upper quartile is 7.99, and its maximum is 14.16. Determine its interquartile range.
Q8:
The table shows the percentage change in a factory production over 9 months. Calculate the interquartile range of the given data.
Month | April | May | June | July | August | September | October | November | December |
---|---|---|---|---|---|---|---|---|---|
Change in Production () | 0.9 | 2 | 1.2 | 0.4 |
Q9:
The table shows some non-English languages spoken by some of the US population. Determine the range and interquartile range of the data.
Language | Greek | Armenian | Bengali | Urdu | Spanish | Hindi | Korean | Hebrew |
---|---|---|---|---|---|---|---|---|
Number of Speakers | 304,900 | 246,900 | 800,000 | 373,800 | 37,580,000 | 648,900 | 1,410,000 | 216,300 |
- Arange , interquartile range
- Brange , interquartile range
- Crange , interquartile range
- Drange , interquartile range
- Erange , interquartile range
Q10:
Find the interquartile range of the data.
Score | 16 | 14 | 19 | 36 | 17 | 18 | 39 |
---|---|---|---|---|---|---|---|
Frequency | 2 | 3 | 5 | 3 | 1 | 3 | 5 |