median

(redirected from 50th percentile)
Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia.
click for a larger image
median
top:three medians of a triangle and the median of a trapezoid
bottom: highway median

me·di·an

 (mē′dē-ən)
adj.
1. Relating to, located in, or extending toward the middle.
2. Anatomy Of, relating to, or situated in or near the plane that divides a bilaterally symmetrical animal into right and left halves; mesial.
3. Statistics Relating to or constituting the middle value in a distribution.
n.
1. A median point, plane, line, or part.
2. The dividing area, either paved or landscaped, between opposing lanes of traffic on some highways. Also called regionally boulevard, mall, median strip, meridian, neutral ground.
3. Statistics The middle value in a distribution, above and below which lie an equal number of values.
4. Mathematics
a. A line that joins a vertex of a triangle to the midpoint of the opposite side.
b. The line that joins the midpoints of the nonparallel sides of a trapezoid.

[Latin mediānus, from medius, middle; see medhyo- in Indo-European roots.]

me′di·an·ly adv.

median

(ˈmiːdɪən)
adj
1. of, relating to, situated in, or directed towards the middle
2. (Biology) biology of or relating to the plane that divides an organism or organ into symmetrical parts
3. (Statistics) statistics of or relating to the median
n
4. a middle point, plane, or part
5. (Mathematics) geometry
a. a straight line joining one vertex of a triangle to the midpoint of the opposite side. See also centroid
b. a straight line joining the midpoints of the nonparallel sides of a trapezium
6. (Statistics) statistics the middle value in a frequency distribution, below and above which lie values with equal total frequencies
7. (Statistics) statistics the middle number or average of the two middle numbers in an ordered sequence of numbers: 7 is the median of both 1, 7, 31 and 2, 5, 9, l6.
8. (Automotive Engineering) Also called: central reserve (chiefly Brit)Canadian the strip, often covered with grass, that separates the two sides of a highway
[C16: from Latin mediānus, from medius middle]
ˈmedianly adv

me•di•an

(ˈmi di ən)

adj.
1. pertaining to a plane that divides something into two equal parts, esp. one that divides an animal into right and left halves.
2. situated in or pertaining to the middle; medial.
n.
3. the middle number in a given sequence of numbers, or the average of the middle two numbers when the sequence has an even number of numbers: 4 is the median of 1, 3, 4, 8, 9.
4. a straight line from a vertex of a triangle to the midpoint of the opposite side.
5. Also called midpoint. a vertical line that divides a histogram into two equal parts.
6. Also called me′dian strip′. a paved or landscaped strip set in the middle of a road to separate opposing lanes of traffic.
[1535–45; < Latin mediānus; see medium, -an1]
me′di•an•ly, adv.

Me•di•an

(ˈmi di ən)

adj.
1. of or pertaining to Media or the Medes.
n.
2. Mede.
[1595–1605]

me·di·an

(mē′dē-ən)
1. In a sequence of numbers arranged from smallest to largest:
a. The middle number, when such a sequence has an odd number of values. For example, in the sequence 3, 4, 14, 35, 280, the median is 14.
b. The average of the two middle numbers, when such a sequence has an even number of values. For example, in the sequence 4, 8, 10, 56, the median is 9 (the average of 8 and 10). Compare arithmetic mean, average, mode.
2. A line joining a vertex of a triangle to the midpoint of the opposite side.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.median - the value below which 50% of the cases fall
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
average, norm - a statistic describing the location of a distribution; "it set the norm for American homes"
Adj.1.median - relating to or constituting the middle value of an ordered set of values (or the average of the middle two in a set with an even number of values); "the median value of 17, 20, and 36 is 20"; "the median income for the year was $15,000"
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
normal - conforming with or constituting a norm or standard or level or type or social norm; not abnormal; "serve wine at normal room temperature"; "normal diplomatic relations"; "normal working hours"; "normal word order"; "normal curiosity"; "the normal course of events"
2.median - dividing an animal into right and left halvesmedian - dividing an animal into right and left halves
mesial - being in or directed toward the midline or mesial plane of the body
3.median - relating to or situated in or extending toward the middle
central - in or near a center or constituting a center; the inner area; "a central position"

median

adjective middle, mid, halfway, medial The median mark is 7.

median

adjective
1. At, in, near, or being the center:
noun
1. A point or an area equidistant from all sides of something:
2. Something, as a type, number, quantity, or degree, that represents a midpoint between extremes on a scale of valuation:
Translations
medián
Median
mediaani
medijan
mediaanmiddenberm

median

[ˈmiːdɪən]
A. ADJmediano
B. N
1. (US) (also median strip) → mediana f, franja f central
2. (Math) (gen) → mediana f; (= number) → número m medio; (= point) → punto m medio

median

[ˈmiːdɪən] n (MATHEMATICS)médiane fmedian strip n (US) (on motorway)terre-plein m centralmedia studies nplétudes fpl de communication

median

adjmittlere(r, s)
n (Math) → Zentralwert m

median

[ˈmiːdɪən] n (Math, Statistics) → mediana (Am) (also median strip) → banchina f spartitraffico inv

me·di·an

n. mediana, división vertical o de medio plano a lo largo de la línea media del cuerpo humano dividiéndolo en dos partes;
___ planeplano medio.

median

adj (nerve) mediano; (stat) relativo a la mediana; the — age la mediana de edad; n (stat) mediana
References in periodicals archive ?
Approximately one-third of working-class people in America (defined by income between the 20th and 50th percentile with no college degree) receive government safety-net benefits.
Following the first full year of implementation, the district looked at the percentage of students at or above the 50th percentile, the district's indicator of reading proficiency.
Unfortunately, many parents interpret growth charts incorrectly - or have not had growth charts properly explained to them - and think a baby tracking above the 50th percentile is good, and below is bad.
A more meaningful measure of average metropolitan population density is its median or 50th percentile density--that is, the tract density at or below which at least 50 percent of a metro's population lives.
97% 98% 67% 75th percentile $562,500 $750,000 $600,000 50th percentile $500,000 $5000,000 $500,000 25th percentile $400,000 $5000,000 $500,000 Total Compensation Limit 2014 2015 2016 # of Cos.
Another statistic that is very compelling is a student that is reading at 50th percentile reads nine minutes a day, but a child reading at the 95 percentile reads 42 minutes a day," Conklin said.
ACTAS also recorded the fastest response times in the nation at the Capital City 50th Percentile, where ACTAS responded to 50 percent of cases in 8 minutes or less.
Traffic PAH exposure Cases (n) Controls (n) Age-adjusted OR classification (95% CI) Fruit/vegetable Low intake (b,c) 1995 (CAA) < 50th percentile 404 431 1.
The Philippines scored in the 50th percentile against the BBB median of 72.
6 months after starting the risperidone and lithium, he returns to the office in the 50th percentile for weight and remains in the 75th percentile for height.
Change is the only dimension for which results fall between the 20th and 50th percentile, while for other dimensions results fall below the 20th percentile, suggesting the need for immediate corrective action.
Under these new arrangements, which are effective immediately for 2015, the outside directors' 2015 total direct compensation has been reduced to the 50th percentile of Rovi's peer group.