Abstract : This paper aims at analyzing the petrol prices in Delhi over a period of 5 years. Using statistical tools we will try to understand how petrol prices tend to change. This will help us uncover trends and make future assumptions. Firstly, the paper includes a brief introduction of statistics and various statistical tools. Then we will look at various applications of statistics. Then these tools are used to analyze petrol prices and obtained results are interpreted. In the end, we conclude our interpretations from the analysis.