For example, when two stocks move in the same direction, the correlation coefficient is positive. Conversely, when two stocks move in opposite directions, the correlation coefficient is negative.

Example: In the late 1940s, a nationwide study conducted over several years found a high correlation between the incidence rate of new cases of polio among children in a community, and per capita ice ...

For example, one may be interested in finding the correlation (coefficient) between (1) frequency of smoking and incidence of lung cancer, (2) scores in statistics and math exam, (3) per capita ...

Statistical mechanics provides a fundamental framework for understanding how collective phenomena in many-body systems give rise to macroscopic changes in state, known as phase transitions.

The basic assumption of the law of demand concludes that there is a negative correlation between the quantity demanded and price.

Francis Galton's invention of correlation dates from late in the year 1888, and it arose when he recognized a common thread in three different scientific problems he was studying. Galton's own 1890 ...

Spurious correlation refers to the correlation between indices that have a common component. A `per ratio' standard is based on a biological measurement adjusted for some physical measurement by ...

A dramatic statistical correlation between the prevalence of diabetes and air pollution levels has been demonstrated by a UB researcher who published his observations in the journal, Diabetes Care.