The way to measure economic damages is to do so in the terms of a stream of lost profits and also the value of business before its destruction. This chapter explains with the help of a case study how regression analysis techniques are used to measure the lost profits of the business due to a damaging event. Regression analysis is where all the methods are attempted to fit a model observed data with a view to quantify the relationships between two groups of variables. It aids in improving the statistical valuation of a business. The case study covers only Bivariate regression analysis but the provided tools are applicable to other forms of regression analysis as well as for use in direct market method.