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In probability theory and statistics, variance is the expectation of the squared deviation of a random variable from its population mean or sample mean. Variance is a measure of dispersion, meaning it is a measure of how far a set of numbers is spread out from their average value. Variance has a central role in statistics, where some ideas that use it include descriptive statistics, statistical inference, hypothesis testing, goodness of fit, and Monte Carlo sampling. Variance is an important tool in the sciences, where statistical analysis of data is common. The variance is the square of the standard deviation, the second central moment of a distribution, and the covariance of the random variable with itself, and it is often represented by , , , , or .
Lupinus, commonly known as lupin, lupine, or regionally bluebonnet etc., is a genus of flowering plants in the legume family Fabaceae. The genus includes over 199 species, with centers of diversity in North and South America. Smaller centers occur in North Africa and the Mediterranean. They are widely cultivated, both as a food source and as ornamental plants, although in the Nordic countries and New Zealand's South Island, introduced lupins are viewed as a severe environmental threat.
Mirabilis is a genus of plants in the family Nyctaginaceae known as the four-o'clocks or umbrellaworts. The best known species may be Mirabilis jalapa, the plant most commonly called four o'clock.
Helix pomatia, common names the Roman snail, Burgundy snail, edible snail, or escargot, is a species of large, edible, air-breathing land snail, a pulmonate gastropod terrestrial mollusc in the family Helicidae. It is one of Europe's biggest species of land snail.
Dalea is a genus of flowering plants in the legume family, Fabaceae. Members of the genus are commonly known as prairie clover or indigo bush. Its name honors English apothecary Samuel Dale (1659–1739). They are native to the New World, where they are distributed from Canada to Argentina. Nearly half of the known species are endemic to Mexico. Two species of Dalea have been considered for rangeland restoration.
Castilleja exserta is a species of plant in the genus Castilleja which includes the Indian paintbrushes. Its common names include purple owl's clover, escobita, and exserted Indian paintbrush.
Pothyne is a genus of beetles in the family Cerambycidae, containing the following species:
Achthophora is a genus of longhorn beetles of the subfamily Lamiinae, containing the following species:
Cornuscoparia is a genus of longhorn beetles of the subfamily Lamiinae, containing the following species:
Mutatocoptops is a genus of longhorn beetles of the subfamily Lamiinae, containing the following species:
Mispila is a genus of longhorn beetles of the subfamily Lamiinae, with three subgenera - Dryusa, Mispila, and Trichomispila. It contains the following species:
Achthophora annulicornis is a species of beetle in the family Cerambycidae. It was described by Heller in 1924.
Cornuscoparia meeki is a species of beetle in the family Cerambycidae. It was described by Stephan von Breuning in 1980. It is known from Papua New Guinea.
Cornuscoparia ochracea is a species of beetle in the family Cerambycidae. It was described by Karl Jordan in 1894. It is known from Papua New Guinea and Indonesia.
Mutatocoptops annulicornis is a species of beetle in the family Cerambycidae. It was described by Heller in 1926, originally under the genus Saimia. It is known from the Philippines.
Oberea erythrostoma is a species of beetle in the family Cerambycidae. It was described by Heller in 1915. It is known from the Philippines.
Namacus annulicornis is a species of leaf-footed bug in the family Coreidae. It is found in Central America and North America.
Myodocha annulicornis, the banded long-necked seed bug, is a species of dirt-colored seed bug in the family Rhyparochromidae. It is found in North America.
Hieroglyphus annulicornis is a species of short-horned grasshopper in the family Acrididae. It is found in India and southeastern Asia.
References
- ↑ BioLib.cz - Cornuscoparia annulicornis. Retrieved on 8 September 2014.