Encyclopedia > Five number summary

Article Content

Five number summary

In descriptive statistics, the five number summary of a data set consists of:

the minimum (smallest observation)
the lower quartile or first quartile (which cuts off the lowest 25% of the data)
the median (middle value)
the upper quartile or third quartile (which cuts off the highest 25% of the data)
the maximum (largest observation)

See also: Quartile, Median, Order statistic, Box plot

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

East Islip, New York

... it is water. The total area is 5.73% water. Demographics As of the census of 2000, there are 14,078 people, 4,578 households, and 3,731 families residing in the town. ...