Post a List that we need to memorize for the exam. Saw this on L3 and thought it was great. Assumptions of Linear Regression: A linear relationship exists between the dependent and independent variable. The independent variable is uncorrelated with the residuals. The expected value of the residual term is zero. The variance of the residual term is constant for all observations. The residual term is independently distributed; that is, the residual for one observation is not correlated with that of another observation. The residual term is normally distributed. Porters 5 Forces: Threat of new entrants. Threat of substitutes. Bargaining power of buyers. Bargaining power of suppliers. Rivalry among existing competitors. Will post more laterâ€¦