significance+of+differences

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• Significance arithmetic — is a set of rules (sometimes called significant figure rules) for approximating the propagation of uncertainty in scientific or statistical calculations. These rules can be used to find the appropriate number of significant figures to use to… …   Wikipedia

• significance tests — A variety of statistical techniques are used in empirical social research in order to establish whether a relationship between sample variables may be inferred to apply to the population from which the sample was drawn. These techniques assess… …   Dictionary of sociology

• Clinical significance — In medicine and psychology, clinical significance refers to either of two related but slightly dissimilar concepts whereby certain findings or differences, even if measurable or statistically confirmed, either may or may not have additional… …   Wikipedia

• Statistical significance — In statistics, a result is called statistically significant if it is unlikely to have occurred by chance. A statistically significant difference simply means there is statistical evidence that there is a difference; it does not mean the… …   Wikipedia

• Gender differences — A Gender difference is a distinction of biological and/or physiological characteristics typically associated with either males or females of a species in general. In the study of humans, socio political issues arise in classifying whether a sex… …   Wikipedia

• Difference in differences — (DID) (sometimes Diff in Diffs ) is a quasi experimental technique used in econometrics that measures the effect of a treatment at a given period in time. It is often used to measure the change induced by a particular treatment or event, though… …   Wikipedia

• Null hypothesis — For the periodical, see Null Hypothesis: The Journal of Unlikely Science. The practice of science involves formulating and testing hypotheses, assertions that are capable of being proven false using a test of observed data. The null hypothesis… …   Wikipedia

• Nart saga — Nart redirects here. For other uses, see Nart (disambiguation). The Nart sagas (Adyghe: Нартхымэ акъыбарыхэ; Karachay Balkar: Нарт таурухла; Ossetic: Нарты кадджытæ; Narty kaddžytæ) are a series of tales originating from the North Caucasus. They… …   Wikipedia

• Anthropometry — Illustration from The Speaking Portrait (Pearson s Magazine, Vol XI, January to June 1901) demonstrating the principles of Bertillon s anthropometry. Anthropometry (Greek anthropos (άνθρωπος man ) and metron (μέτρον measure ) therefore… …   Wikipedia

• Human skin color — Skin pigmentation redirects here. For animal skin pigmentation, see Biological pigment. Variety of skin colors Human skin color is primarily due to the presence of melanin in the skin. Skin color ranges from almost black to white with a pinkish… …   Wikipedia

• Brix — For other uses, see Brix (disambiguation). Degrees Brix (symbol °Bx) is the sugar content of an aqueous solution. One degree Brix is 1 gram of sucrose in 100 grams of solution and represents the strength of the solution as percentage by weight (% …   Wikipedia