I. When the sum of the residuals is greater than zero, the data set is nonlinear. II. A random pattern of residuals supports a linear model. III. A random pattern of residuals supports a non-linear model.
bull market definition. A market, especially a stock market, characterized by rising prices; the opposite of a bear market. We can always go back to worrying; we are still in a bull market for fear.
Definition of Mass Market. As the name suggests, mass market is a general public market consisting of consumers belonging to various age groups, lifestyles and preferences. If a company manufactures a product which is useful to a variety of consumers across various sectors then it is said to have a mass market appeal.