A linear relationship (or linear association) is a statistical term used to describe the directly proportional relationship between a variable and a constant.

The idea that companies must “delight” their customers has become so entrenched that managers rarely examine it. But ask yourself this: How often does someone patronize a company specifically ...

How a Nonqualified Variable Annuity Works Variable annuities are sold by insurance companies. In return for the money you invest, the insurer promises to pay you a regular stream of income.