Power BI development projects integrate statistical methods to provide actionable insights. Developers use descriptive statistics like averages, variances, and frequency distributions to summarize data. Advanced techniques such as regression analysis, hypothesis testing, and correlation matrices help identify relationships and predict trends. These statistics are incorporated into dashboards to enable users to interact with the data visually. The ability to drill down into detailed insights empowers organizations to make data-driven decisions in areas like sales forecasting, customer segmentation, and operational efficiency, ensuring long-term business success.