28 results found

Search Results for: sample random

Sample random

sample, random A group selected randomly, solely by... Read More

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More

Memory in receptor–ligand-mediated cell adhesion

Memory in receptor–ligand-mediated cell adhesion Veronika I. Zarnitsyna*, Jun Huang*, Fang Zhang*, Yuan-Hung Chien,... Read More

Stochastic

Definition adjective (1) Relating to or characterized by random, chance, or probability. (2) Being or having random... Read More

Quadrat

Definition noun A square or rectangular plot of land used to mark off at random a physical area to isolate a sample and... Read More

Random sample

random sample A group selected randomly, solely by... Read More

Sample

sample 1. A specimen of a whole entity small enough to involve no threat or damage to the whole; an aliquot. 2. A selected... Read More

Stroke Symptoms Common Among General Population

As many as 18 percent of adults who have no history of stroke report having had at least one symptom of stroke, according... Read More

Handsome By Chance: Why Humans Look Different From Neanderthals

Chance, not natural selection, best explains why the modern human skull looks so different from that of its Neanderthal... Read More

For Adolescent Crime Victims, Genetic Factors Play Lead Role

May 20, 2009 — Genes trump environment as the primary reason that some adolescents are more likely than others to be... Read More

Wilcoxon rank-sum test

Definition noun A non-parametric test of two samples which support exclusively on the order of observations in which the two... Read More

Fruit Fly Aggression Studies Have Relevance To Humans, Animals

September 23, 2006 — Even the tiny, mild-mannered fruit fly can be a little mean sometimes – especially when there’s... Read More

New Lunar Meteorite Found In Antarctica

     A microscopic view of a thin-section of the meteorite. Geologists routinely... Read More

Probability

Definition noun, plural: probabilities (1) A measure of the likelihood of a statement or a theoretical expectation is... Read More

Extragenic suppression analysis of TS mutants using Sec61

Sterling G. Smith Center for Advanced Studies in Mathematics and Natural Science Abstract During synthesis,... Read More

Estimation

Estimation Any non-trivial statistical procedure that assigns to an unknown quantity (parameter) a plausible value on the... Read More

Drinking Wine, Particularly White Wine, May Help Keep Lungs Healthy, University At Buffalo Study Finds

ATLANTA, Ga. -- Drinking wine appears to be good for the lungs, a University at Buffalo study has shown, and in this case,... Read More

Regular Exercise, Keeping Weight In Check Reduces Breast-cancer Risk In Postmenopausal Women

Postmenopausal women who want to significantly decrease their breast-cancer risk would be wise to exercise regularly and... Read More

Just How Many Species Are There, Anyway?

Just How Many Species Are There, Anyway? One barrier to protecting biodiversity is that there are no good ways of figuring... Read More

Median

median (Science: statistics) Any value that divides the probability of a random variable in half, i.e. The probability of... Read More

Intuitive Biostatistics by H. Motulsky

Intuitive Biostatistics       ... Read More

Concordance rate

Concordance rate The proportion of a random sample of pairs that are concordant for a trait of interest. A high rate of... Read More

Understanding cultural significance, the edible mushrooms case

Understanding cultural significance, the edible mushrooms case Roberto Garibay-Orijel1, Javier Caballero2, Arturo... Read More

Brazilian obstetrician-gynecologists and abortion: a survey of knowledge, opinions and practices

Lisa A Goldman, Sandra G García, Juan Díaz and Eileen A Yam Background Abortion laws are extremely restrictive in... Read More

The Fossils of the Burgess Shale

The Fossils of the Burgess Shale     ... Read More

Fruit Fly Aggression Studies Have Relevance to Animal, Human Populations

Even the tiny, mild-mannered fruit fly can be a little mean sometimes - especially when there's a choice bit of rotten... Read More