3. Clearly distinguish between curve fitting and correlation b. Explain the step by step pre-requisites for causal relationship amongst socio-economic variables known to you. c. Differentiate between...

Extracted text: 3. Clearly distinguish between curve fitting and correlation b. Explain the step by step pre-requisites for causal relationship amongst socio-economic variables known to you. c. Differentiate between parameters and variables d. write down the normal equations for a simple function e. Draw the one-way ANOVA table and fit in the respective sources of squares alongside their degrees of freedom.