This report provides a comprehensive overview of data insights, emphasizing the significance of both quantitative and qualitative research methodologies in modern marketing. It explores various techniques, including correlation, regression, and time series analysis, detailing their applications and critically analyzing their advantages and disadvantages. The report also examines data collection methods such as surveys, observations, focus groups, and document analysis. It concludes by highlighting how these tools and techniques can be leveraged to make more informed business decisions, emphasizing the importance of data-driven insights in understanding consumer behavior and market trends. The report includes a detailed reference section with books and journals.