# mean+standard

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**standard**— I (New American Roget s College Thesaurus) n. emblem, ensign; criterion, measure, grade, exemplar, norm, canon, prototype, ethics. adj. regulation, normal, conventional. See conformity, rule, measurement, degree. Ant., nonstandard, substandard.… …72

**standard error**— noun Date: 1897 the standard deviation of the probability function or probability density function of a random variable and especially of a statistic; specifically the standard error of the mean of a sample from a population with a normal… …73

**Mean cell volume**— A standard part of the complete blood count, the mean cell volume (MCV) is the average volume of a red blood cell. This is a calculated value derived from the hematocrit and the red cell count (The hematocrit is the ratio of the volume of red… …74

**standard deviation**— (in statistics) a measure of the scatter of observations about their arithmetic mean, which is calculated from the square root of the variance of the readings in the series. The arithmetic sum of the amounts by which each observation varies from… …75

**standard error**— /stændəd ˈɛrə/ (say standuhd eruh) noun 1. → standard deviation. 2. standard deviation divided by the square root of the number of items in the sample; the standard deviation of the sample mean …76

**Standard Compression Scheme for Unicode**— The Standard Compression Scheme for Unicode (SCSU) [cite web |url=http://www.unicode.org/reports/tr6/ |title=UTS #6: Compression Scheme for Unicode |date=2005 05 06 |accessdate=2008 06 13 ] is a Unicode Technical Standard for reducing the number… …77

**standard time**— Time measured by a standard adapted to mean solar time to convenient use in commerce, business and the ordinary affairs of life, the country being divided into time zones, each zone having as an accepted time, the actual sun time at the middle… …78

**standard mean chord**— The ratio of the gross wing area to the wingspan. Its value is equal to the chord of a rectangular wing of the same span and gross area. Also called a geometric mean chord …79

**standard deviation**— stand′ard devia′tion n. Statistics. sta a measure of dispersion in a frequency distribution, equal to the square root of the mean of the squares of the deviations from the arithmetic mean of the distribution …80

**standard deviation**— /stændəd diviˈeɪʃən/ (say standuhd deevee ayshuhn) noun the square root of the average of the squares of a set of deviations about an arithmetic mean; the root mean square of the deviations of a set of values …