Quartiles and interquartile range
What Quartiles and interquartile range means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of Quartiles and interquartile range
Check what you remember
Read the wording for your board, then hide it and explain Quartiles and interquartile range in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Summaries used to identify possible outliers, being resistant to extreme values where the mean and range are not.
Topics that use Quartiles and interquartile range
- Data presentation and interpretation (Pearson Edexcel A-Level)
Related terms
- Cleaning data
- Correlation
- Distinct sections of the population
- Frequency density
- Histogram
- Measures of central tendency
- Measures of variation
- Outlier
Using Quartiles and interquartile range in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Mathematics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge