Quartiles and Inter-quartile Range

By the end of this unit, students will be able to:

1. understand the concept of quartiles and their role in data analysis;
2. calculate quartiles and the interquartile range for a dataset
3. interpret quartiles and the interquartile range to describe the spread of data.

Curriculum Alignment: Key Stage 4: Statistics

• appropriate measures of central tendency (including modal class) and spread {including quartiles and inter-quartile range}.