4. What are the common and distinguishing features between the following; a) Economic analysis and financial analysis b) Financial time-series and Empirical time series c) Financial Econometrics and Economic Econometrics d) t and the F-distributions in hypothesis testing e) sample regression function and the population regression function f) static and dynamic case models

5. What is the need for hypothesis testing in financial analysis? Give the stepwise processes of evaluating a financial system.