What Does Warm Card Mean?

A “warm card” is a term used to describe a credit or debit card that has been used within the past six months. This is in contrast to a “cold card”, which is a card that has not been used within the past six months. When a card is used, the card issuer will report … Read more

Scheffé Test.

The Scheffé test is a statistical test used to compare the means of two or more groups. The test is named after German statistician Hans Scheffé (1908–1977). The test is based on the following null and alternative hypotheses: Null hypothesis: The means of the groups are equal. Alternative hypothesis: The means of the groups are … Read more