simple presentation for the topic regression analysis

2. Regression analysis is a mathematical
measure of the average relationship
between two or more variables in terms
of the original units of the data.

3. Prediction or estimation is one of the
major problems in almost all spheres of
human activity. The estimation or
prediction of future production,
consumption, prices, investments,
profits, sales, income etc., are of
paramount importance to a businessman
or an economist. Regression analysis is
one of the very scientific techniques for
making such predictions.

4.  Dependent and Independent variables
 Simple and Multiple regressions
 Linear and Non linear regressions