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

Monty Woolley

... an American actor. Born Edgar Montillion Wooley in New York City, Woolley was a professor and lecturer at Yale University (one of his students was Thornton Wilder) who ...