Explain the traditional or classical methodology that econometricians precede in their analysis of economic problem?

The statistical analysis of economic phenomena is defined as:

1.  variance.

2. econometrics.

3. standard deviation.

4. confidence intervals.

How does tradition work to solve the 'economic problem?' The economic problem asserts that there is scarcity.

What is economic/scientific methodology? Why is it important? Explain how we would follow this methodology for the study of unemployment in the USA? (What steps would we go through, what would we look for and why? Be specific). 6. What is ceteris paribus? Why are we concerned with it? Is Economics the only field that deals with ceteris paribus?