Arsen01

In statistics, dependence or association is any statistical relationship, whether causal or not, between two random variables or bivariate data. Correlation is any of a broad class of statistical relationships involving dependence, though in common usage it most often refers to how close two variables are to having a linear relationship with each other.[Read more]

Envy is an emotion which “occurs when a person lacks another’s superior quality, achievement, or possession and either desires it or wishes that the other lacked it”.

Bertrand Russell said that envy was one of the most potent causes of unhappiness. Not only is the envious person rendered unhappy by his or her envy, Russell explained, but that person also[Read more]

A hypothesis is a proposed explanation for a phenomenon. For a hypothesis to be a scientific hypothesis, the scientific method requires that one can test it.