In the era of the modern, globalized business world, the need for information has an increasing tendency. The decision-makers in the business life should face with an abundance of data. The large quantity of data increases the complexity of inductions and the expectations for analyzers. This tutorial contains the most important and most frequently used statistical and econometric methods for the social and economic processes. We would like to give a guideline for the application of its interpretation and usage. We draw attention to the fact that in case of quantitative data analysis the aim is to transform data into information and knowledge. Therefore it is not enough merely to carry out mathematical operations, but the results should be right analyzed and interpreted.