Statistical methods involve the collection, organization, analysis, interpretation, and presentation of data in order to make informed decisions and draw valid conclusions. These methods involve various techniques for sampling, estimating population parameters, testing hypotheses, and determining relationships between variables. Statistical methods are used in a wide range of fields such as business, finance, economics, health sciences, social sciences, and engineering to analyze and interpret data for decision-making purposes. Key concepts in statistical methods include probability theory, descriptive statistics, inferential statistics, and hypothesis testing. Overall, statistical methods provide a framework for making sense of data and drawing meaningful insights from it.