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# upper quartile

The median of the upper or highest half of a data set, especially of a sample, population, or probability distribution.

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• upper quartile — The value below which 75% of the data points in an ordered sample fall. Related links lower quartile Practical Law Dictionary. Glossary of UK, US and international legal terms. www.practicallaw.com. 2010 …   Law dictionary

• Quartile — In descriptive statistics, a quartile is any of the three values which divide the sorted data set into four equal parts, so that each part represents one fourth of the sampled population. Definitions * first quartile (designated Q1) = lower… …   Wikipedia

• quartile — The argument of the cumulative distribution function corresponding to a probability of either 1/4 (first or lower quartile) or 3/4 (third or upper quartile); (of a sample) the value below which occurs a quarter (first or lower quartile) or three… …   Dictionary of automotive terms

• lower quartile — The value below which 25% of the data points in an ordered sample fall. Related links upper quartile Practical Law Dictionary. Glossary of UK, US and international legal terms. www.practicallaw.com. 2010 …   Law dictionary

• Box plot — In descriptive statistics, a boxplot (also known as a box and whisker diagram or plot) is a convenient way of graphically depicting groups of numerical data through their five number summaries (the smallest observation, lower quartile (Q1),… …   Wikipedia

• Seven-number summary — In descriptive statistics, the seven number summary is a collection of seven summary statistics, and is a modification or extension of the five number summary. There are two common forms.(Parametric) Seven number summaryThe following numbers are… …   Wikipedia

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• Interquartile range — In descriptive statistics, the interquartile range (IQR), also called the midspread, middle fifty and middle of the #s, is a measure of statistical dispersion, being equal to the difference between the third and first quartiles.Unlike the (total) …   Wikipedia

• Cervical cancer — Classification and external resources Histopathologic image (H E stain) of carcinoma in situ, stage 0. ICD 10 C …   Wikipedia

• 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… …   Wikipedia