Quartiles from a list

The lower and upper quartiles of an ordered list, at the quarter positions.

Higher

The interquartile range

Upper quartile minus lower, measuring a spread outliers cannot inflate.

Higher

Practice

Quartiles from a list

The lower and upper quartiles of an ordered list, at the quarter positions.

Practice

Quartiles review

Quartiles and the interquartile range from ordered lists.

Mixed review