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Statistic which divides data into four same-sized parts for analysis
from smallest to largest to compute quartiles; as such, quartiles are a form of order statistic. The three quartiles, resulting in four data divisions,
Quartile
Measure of statistical dispersion
divided into quartiles, or four rank-ordered even parts via linear interpolation. These quartiles are denoted by Q1 (also called the lower quartile), Q2 (the
Interquartile_range
Data visualization
locality, spread and skewness groups of numerical data through their quartiles. In addition to the box on a box plot, there can be lines (which are called
Box_plot
quartile. Green backgrounds indicate second quartile. Yellow backgrounds indicate third quartile. Orange backgrounds indicate fourth quartile.
Historical rankings of presidents of the United States
Historical_rankings_of_presidents_of_the_United_States
indicates a rank within the first quartile of its respective ranking green background indicates a rank within the second quartile of its respective ranking
Historical rankings of prime ministers of the United Kingdom
Historical_rankings_of_prime_ministers_of_the_United_Kingdom
Set of descriptive statistics
(smallest observation) the lower quartile or first quartile the median (the middle value) the upper quartile or third quartile the sample maximum (largest
Five-number_summary
Normalized measure of statistical dispersion
In descriptive statistics, the quartile coefficient of dispersion (QCD) is a normalized measure of dispersion and is used to make comparisons within and
Quartile coefficient of dispersion
Quartile_coefficient_of_dispersion
Statistical method of dividing data into equal-sized intervals for analysis
sample in the same way. Common quantiles have special names, such as quartiles (four groups), deciles (ten groups), and percentiles (100 groups). The
Quantile
Cognitive bias about one's own skill
into four groups. They start from the bottom quartile of low performers and proceed to the top quartile of high performers. The strongest effect is seen
Dunning–Kruger_effect
first quartile. Green backgrounds indicate second quartile. Orange backgrounds indicate third quartile. Red backgrounds indicate fourth quartile. Note:
Historical rankings of prime ministers of Canada
Historical_rankings_of_prime_ministers_of_Canada
President of the United States from 1945 to 1953
Despite this controversy, historians consistently rank Truman in the first quartile of U.S. presidents. In addition, critical reassessments of his presidency
Harry_S._Truman
Statistic which divides a data set into 100 parts and analyzes it as a percentage
the first quartile (Q1), the 50th percentile (P50) as the median or second quartile (Q2), and the 75th percentile (P75) as the third quartile (Q3). For
Percentile
Prime Minister of the United Kingdom from 2016 to 2019
ministers, academics and journalists have ranked May in the bottom fourth quartile. Theresa May was born Theresa Mary Brasier on 1 October 1956 in Eastbourne
Theresa_May
In statistics, the midhinge (MH) is the average of the first and third quartiles and is thus a measure of location. Equivalently, it is the 25% trimmed
Midhinge
Country in South Asia
as of 2024, as well as the only South Asian country in the list's first quartile. Bhutan has one of the largest water reserves for hydropower in the world
Bhutan
U.S. state
had an estimated export value of $740 million in 2022. Though in the top quartile for diversity based on the Simpson index, only 26% of tech employees in
Virginia
Virtual online communities
ramifications for young adults. A recent study reported that people in the highest quartile for weekly social media use experienced the most sleep disturbance. The
Social_media
In calculation of the IQM, only the data between the first and third quartiles is used, and the lowest 25% and the highest 25% of the data are discarded
Interquartile_mean
Academic journal
the journal has a 2023 impact factor of 3.2, ranking it in the first quartile of the category "Psychology, Clinical". "Journals Ranked by Impact: Psychology
Clinical Psychology & Psychotherapy
Clinical_Psychology_&_Psychotherapy
First Lady of the United States from 1861 to 1865
the lowest quartile. However, in the fifth survey (conducted in 2020), Lincoln's regard had risen enough to place her in the third quartile. Lincoln's
Mary_Todd_Lincoln
African island country in the Indian Ocean
highest levels of income inequality of any nation, and ranks in the medium quartile on the Human Development Index. Between 2009 and 2014, about 19% of the
Comoros
Peer-reviewed general medical journal
Source Category Rank Percentile Quartile Scopus General Medicine in Medicine 1 of 636 99.84 Q1 IF (Web of Science) Medicine, General & Internal 1 of 325
The_Lancet
Logical error, form of selection bias
of extant funds could truthfully claim to have performance in the first quartile of their peers if the peer group includes funds that have closed. In 1996
Survivorship_bias
Academic journal
impact factor of 2.321, placing it in the second quartile for Communication studies and in the third quartile for Business. "Public Relations Review". 2019
Public_Relations_Review
One of three major types of muscle
approximately equal quartiles. The lowest quartile averaged 3,553 steps/day, the second quartile 5,801 steps/day, the third quartile 7,842 steps/day and
Skeletal_muscle
Seventh planet from the Sun
parallax of the fixed stars." Herschel recorded in his journal: "In the quartile near ζ Tauri ... either [a] Nebulous star or perhaps a comet." On 17 March
Uranus
distributed variable: The middle three values – the lower quartile, median, and upper quartile – are the usual statistics from the five-number summary and
Seven-number_summary
Chemical byproduct of chloramine
23 micrograms per liter in drinking water, with a first quartile of 1.3 and a third quartile of 92. The chloronitramide anion was first detected as a
Chloronitramide_anion
Type of weighted average
central tendency defined as a weighted average of the distribution's quartiles: T M = Q 1 + 2 Q 2 + Q 3 4 {\displaystyle TM={\frac {Q_{1}+2Q_{2}+Q_{3}}{4}}}
Trimean
Quantile dividing data into 10 equal parts
population. A decile is one possible form of a quantile; others include the quartile and percentile. A decile rank arranges the data in order from lowest to
Decile
Academic journal
Decision Sciences has an impact factor of 1.5, placing it in the third quartile (286/401) of journals in the category of management. Decision Sciences
Decision_(journal)
President of the United States from 1841 to 1845
influence, but historians have generally put him in or very near to the bottom quartile when ranking U.S. presidents. Tyler is praised for helping in the creation
John_Tyler
Academic journal
the 2nd quartile of Health Policy journals. Details and data below: SCIMAGO's SJR in the Health Policy category The IJHS ranks in the 2nd quartile (85/242)
International Journal of Health Services
International_Journal_of_Health_Services
American racing driver (born 1982)
of the 100 highest paid celebrities four times, ranking in the bottom quartile and was 93rd on the magazine's list of the World's 100 Most Powerful Women
Danica_Patrick
Statistical function that defines the quantiles of a probability distribution
Q(p;\lambda )={\frac {-\ln(1-p)}{\lambda }},} for 0 ≤ p < 1. The quartiles are therefore: first quartile (p = 1/4) − ln ( 3 / 4 ) / λ , {\displaystyle -\ln(3/4)/\lambda
Quantile_function
Public university in Corvallis, Oregon, US
21-27 21-28 21-28 22-28 Ranges shown represent the thresholds for the second quartile (25%) and top quartile (75%) of all scores submitted that year.
Oregon_State_University
City in Massachusetts, United States
University of Massachusetts Medical School. The medical school is in the top quartile of medical schools nationally in research funding from the NIH and is home
Worcester,_Massachusetts
Academic journal
2.2 for 2023, with a 5‑year impact factor of 2.5, ranking in the first quartile (Q1) of the “Materials Science, Paper & Wood” category. It is indexed in
Journal_of_Wood_Science
Angle the planets make to each other in the horoscope
[citation needed] See information below on the Semisextile. A Square or Quartile (abbreviated as "SQr or Squ") is an angle of 90°, which is 1⁄4 of the 360°
Astrological_aspect
Peer-reviewed medical journal published by the American Medical Association
Source Category Rank Percentile Quartile Scopus General Medicine in Medicine 6/636 99.06 Q1 IF (Web of Science) Medicine, General & Internal 5/325 98.60
JAMA
this quartile. The second quartile ( Q {\displaystyle Q} 2) is the median itself, with 50 percent of the data below this point. The third quartile ( Q
Glossary of probability and statistics
Glossary_of_probability_and_statistics
Academic journal
rate was 68%. According to Scimago, the journal belongs to the second quartile (Q2) in the "Medicine" category. Articles in Anticancer Research are abstracted
Anticancer_Research
Facility used to house computer servers
centers. To qualify for the ecolabel, a data center must be within the top quartile in energy efficiency of all reported facilities. The Energy Efficiency
Data_center
Academic journal
of Substance Abuse. However, according to another metric, the TQCC (top quartile citation count), Journal of Substance Use and Addiction Treatment is ranked
Journal of Substance Use and Addiction Treatment
Journal_of_Substance_Use_and_Addiction_Treatment
Academic journal
The Scimago Journal & Country Rank 2024 located this Journal in the 1st quartile (Q1) in the categories "Religious Studies" and "Cultural Studies". Zygon
Zygon_(journal)
French territory in the southwest Pacific Ocean
elections. Such deal is to be confirmed by the French Parliament in the fourth quartile of 2025, with the deal to then be voted on by New Caledonians in 2026 as
New_Caledonia
Probability distribution
{-\ln(1-p)}{\lambda }},\qquad 0\leq p<1} The quartiles are therefore: first quartile: ln(4/3)/λ median: ln(2)/λ third quartile: ln(4)/λ And as a consequence the
Exponential_distribution
Topics referred to by the same term
UK SR Q1 class, a steam locomotive of the Southern Railway, UK First quartile in descriptive statistics DIGITAL Q1, a digital camera model (Fujifilm)
Q1
Type of unsaturated fat
highest quartile of trans fat consumption had blood levels of C-reactive protein (CRP) that were 73% higher than those in the lowest quartile. Intake
Trans_fat
Measure of association between two binary variables
not be confused with Yule's coefficient for measuring skewness based on quartiles. For a 2×2 table for binary variables U and V with frequencies or proportions
Coefficient_of_colligation
Academic journal
Index Impact factor - 3.4 (2024) (quartile Q2) 5-year impact factor - 3.9 (2024) CiteScore (Scopus) - 8.6 (2024) (quartile Q1) SNIP - 0.767 (2024) SJR - 1
RNA_Biology
Data visualization with quartiles
the same information about a dispersion as a box plot: namely median, quartiles, and two extreme values. The elements of a dispersion fan diagram are:
Fan_chart_(statistics)
American investment manager
strategies established track records that consistently ranked in the top quartile and top decile of their peer groups. A little more than two decades after
Gregg_S._Fisher
Academic journal
most years since 1999 it has been ranked by SCImago Journal Rank as a top-quartile journal in information systems and management, management science and operational
European Journal of Operational Research
European_Journal_of_Operational_Research
Canadian youth mathematics competition
titles are based on the quartile into which the student's score falls: 1st quartile = Performance with Distinction 2nd quartile = Performance with Honours
Canadian Open Mathematics Challenge
Canadian_Open_Mathematics_Challenge
Academic journal in physics
Source Category Rank Percentile Quartile Scopus General Physics and Astronomy in Physics and Astronomy 13/243 94.65 Q1 Web of Science (IF) Physics, Multidisciplinary
Physical_Review_Letters
Academic journal
years (2020–2024), the journal has consistently remained in the first quartile (Q1) in both the fields of condensed matter physics and materials science
Nanoscale_Research_Letters
Official promotion of atheism by a government
Albanians responded "yes" and 53% "no", which placed Albania in the lowest quartile of countries ranked by "yes" responses. The U.S. state department reports
State_atheism
Academic journal
SCImago Journal Rank has ranked the Journal of Integer Sequences as a third-quartile journal in discrete mathematics and combinatorics. It is indexed by Mathematical
Journal_of_Integer_Sequences
Academic journal
years since 1999, it has been ranked by SCImago Journal Rank as a first-quartile journal in applied mathematics. Together with Communications on Pure and
SIAM Journal on Applied Mathematics
SIAM_Journal_on_Applied_Mathematics
Approach of analyzing data sets in statistics
extremes (maximum and minimum), the median, and the quartiles—because these median and quartiles, being functions of the empirical distribution are defined
Exploratory_data_analysis
Investment strategy
remained in the top quartile. 33.33% of the funds dropped to the second quartile. The rest of the funds dropped to the third or fourth quartile. In fact, low
Asset_allocation
Academic journal
the journal has a 2020 impact factor of 3.674, and ranked in the first quartile of the category for public, environmental and occupational health. "Journal
Environmental Health and Preventive Medicine
Environmental_Health_and_Preventive_Medicine
Statistical property quantifying how much a collection of data is spread out
the variable itself has units. These include: Coefficient of variation Quartile coefficient of dispersion Relative mean difference, equal to twice the
Statistical_dispersion
Academic journal
category of Ethics. However, according to another metric, the TQCC (top quartile citation count), Ethics and Information Technology is ranked #1 in that
Ethics and Information Technology
Ethics_and_Information_Technology
Study of evolutionary relationships between organisms
routes or super-spreader events. Box plots displaying the range, median, quartiles, and potential outliers datasets can also be valuable for analyzing pathogen
Phylogenetics
Research institute in Catalonia
factor of 8.86. Specifically, 136 of these articles were published in first-quartile journals, while 77 appeared in first-decile journals. "Institut Català
Catalan Institute of Nanoscience and Nanotechnology
Catalan_Institute_of_Nanoscience_and_Nanotechnology
Academic journal
the Directory of Open Access Journals, EBSCOhost, Scopus (SJR ranking - Quartile 2), ERIC, PubMed, SOCOLAR (China), and Web of Science Emerging Social Science
Education Policy Analysis Archives
Education_Policy_Analysis_Archives
Failed bank based in Alberta, Canada
capital. From 1976 to 1982, it operated profitably—usually in the top quartile of Canadian banking. It built a new headquarters in Edmonton, the Canadian
Canadian_Commercial_Bank
Topics referred to by the same term
Italian towns Quartier (unit), an obsolete French unit of measurement Quartile, a term from statistics, meaning "one fourth" Shoe (The back and rearward
Quarter
Type of two-dimensional barcode
restored. Level M (Medium) 15% of data bytes can be restored. Level Q (Quartile) 25% of data bytes can be restored. Level H (High) 30% of data bytes can
QR_code
Academic journal
After being ranked as a top-quartile journal in software by SCImago from 1999 to 2016, it has been ranked as second-quartile from 2021 through 2024, with
ACM Transactions on Programming Languages and Systems
ACM_Transactions_on_Programming_Languages_and_Systems
under-five mortality rate for the poorest quartile eight states, the highest under-five mortality rate in the poorest quartile occurred in UttarPradesh (110 per
Health_in_India
Stadium in St. Louis, Missouri, U.S.
the Rams signed in 1995, the Dome was required to be ranked in the top quartile of NFL stadiums through 2015, measured at 10 year intervals. This meant
The_Dome_at_America's_Center
Light-duty truck with an enclosed cab and an open cargo area
designs having the steering wheel center point located in the first front quartile of the vehicle. These arrangements allow a longer cargo area for the same
Pickup_truck
Private college in Williamstown, Massachusetts, US
and their inter-quartile range on the new SAT was 720–770 on Evidence-Based Reading and Writing, and 740–790 on Math. The inter-quartile range on the ACT
Williams_College
President of the United States from 1849 to 1850
of his term. Historians and scholars have ranked Taylor in the bottom quartile of U.S. presidents, owing in part to his short term of office (16 months)
Zachary_Taylor
Academic journal
factor was 8.1, ranking the Critical Reviews in Biotechnology in the first quartile among the titles listed in the category "Biotechnology & Applied Microbiology"
Critical Reviews in Biotechnology
Critical_Reviews_in_Biotechnology
Right to leave regulated by US labor law
of workers in the highest-wage quartile receiving paid maternity leave versus 5% of workers in the lowest-wage quartile. The lack of monetary compensation
Parental leave in the United States
Parental_leave_in_the_United_States
Selection of the Democratic Party nominee
Wallace support among Democratic voters in Indiana, from the bottom quartile (lightest) to the top (darkest)
1964 Democratic Party presidential primaries
1964_Democratic_Party_presidential_primaries
Cancer of the myeloid line of blood cells
have a better prognosis than those who are treated at those in the lowest quartile. As with most forms of cancer, performance status (i.e. the general physical
Acute_myeloid_leukemia
Statistical error
statistics of the sample (often known as estimators), such as means and quartiles, generally differ from the statistics of the entire population (known
Sampling_error
Type of school
the school's specialism even though the schools do take quotas from each quartile of the attainment range to ensure they were not selective by attainment
Comprehensive_school
Academic journal
from January 2018 until March 2019. As of 2014, it is ranked in the first quartile of the SCImago Journal Rank of scholarly journals in the history category
The Journal of Slavic Military Studies
The_Journal_of_Slavic_Military_Studies
Academic journal
rankings for Chemical Society Reviews (2023) Source Category Rank Percentile Quartile Scopus General chemistry (Chemistry) 2/408 99.51 Q1 IF (Web of Science)
Chemical_Society_Reviews
American private equity firm
Manager' based on both its multiple and IRR of all 3 funds in the top quartile ranking. Rhône is headquartered at the International Building at Rockefeller
Rhône_Group
Asian Journal". In most years since 1999, it has been ranked as a second-quartile journal in discrete mathematics and theoretical computer science by SCImago
Graphs_and_Combinatorics
highest category, the A + Excellence, in which those located in the first quartile of the categories of the Journal Citation Reports are positioned. He is
Ángel_Hernando
American basketball coach (born 1963)
season and moved his base salary to $3.4 million, which ranks in the upper quartile of the Big Ten Conference. Illinois finished the 2020–21 regular season
Brad_Underwood
Region of Europe
World map by quartiles of Human Development Index in 2013: Very High Low High Data unavailable Medium
Central_Europe
ancestry, the median for the 297 individuals was around 3% and the third quartile was around 11%. The average contribution of "Sephardic/East/South Mediterranean"
History_of_the_Jews_in_Mexico
Chemical compound
risk of death was determined, comparing the highest quartile range in the research to the lower quartile range. Most of the animal studies done with aldrin
Aldrin
counts are consistently higher, and percentile ranks remain near the upper quartile. In contrast, the teratozoospermic group exhibits lower expression levels
C22orf42
conceptual papers. According to Scopus, the journal is ranked in the first quartile (Q1) in the marketing category. It holds a B rating in the ABDC Journal
Academy_of_Marketing_Science
Academic journal
ranking summary for Nature Genetics (2023) Source Category Rank Percentile Quartile Scopus Genetics in Biochemistry, Genetics and Molecular Biology 4/347 98
Nature_Genetics
Topics referred to by the same term
second quarto of William Shakespeare's works Q2 (statistics), the second quartile in descriptive statistics (i.e. the median) Q2 Stadium, a sports stadium
Q2
Indian multinational port operator and logistics company
Stanley analysts covering global ports, APSEZ is expected to be in the top quartile across various operating metrics despite the tax holiday for Mundra port
Adani_Ports_&_SEZ
Metric of academic journals
criteria. Top quartile citation count (TQCC) – reflecting the number of citations accrued by the paper that resides at the top quartile (the 75th percentile)
Journal_ranking
1968 song by the Beatles
"[fifty]-two seconds of McCartney nonsense", Wyman places it in the bottom quartile, deeming it incoherent, and Beaumont ranks it at the very bottom. Twenty
Wild_Honey_Pie
Statistical value representing the center or average of a distribution
values of a data set. Midhinge the arithmetic mean of the first and third quartiles. Quasi-arithmetic mean A generalization of the generalized mean, specified
Central_tendency
QUARTILE
QUARTILE
QUARTILE
QUARTILE
Male
French
Norman French form of German Emmerich, EMAURRI means "work-power."
Boy/Male
Anglo Saxon Gaelic
From the winding valley.
Girl/Female
Indian, Tamil
Mother of Peacock
Boy/Male
Hindu
Radiant Prince
Girl/Female
Indian
To walk with a swinging gait
Girl/Female
British, English
Park with Deer
Girl/Female
Tamil
Brahmavaadini | பà¯à®°à®¹à¯à®®à®µà®¾à®¤à¯€à®¨à¯€
One who is present everywhere
Boy/Male
Muslim
A prophets name, Black
Girl/Female
Tamil
Dilber | திலà¯à®ªà¯‡à®°
Lover
Boy/Male
Australian, Danish, Dutch, Finnish, French, German, Greek, Italian, Latin, Polish, Slovenia, Swedish
Worthy of Praise; Of Value; Beyond Price; Praiseworthy; Priceless; Invaluable; Saint Anthony is the Patron Saint of Poor People
QUARTILE
QUARTILE
QUARTILE
QUARTILE
QUARTILE
a.
An aspect of the heavenly bodies in which they are distant from each other 90¡, or the quarter of a circle; quartile. See the Note under Aspect, 6.
n.
To hold a quartile position respecting.
n.
Same as Quadrate.