This report delves into the significance of data insight in modern marketing research. It examines the roles of both quantitative and qualitative research methodologies, highlighting their respective strengths and applications in data analysis. The report critiques the issues surrounding various analysis techniques, offering insights into the challenges faced in interpreting and utilizing large datasets. It also explores effective data collection methods, emphasizing their importance in informing business decisions and strategic planning. The analysis includes an overview of questionnaire design, interview methods, and the use of discussion guides in qualitative research. Furthermore, the report discusses the application of correlation and regression in data analysis. Ultimately, the report concludes that data insight is crucial for enhancing company performance, achieving a competitive edge, and making informed decisions across various sectors, including marketing and business operations. The report emphasizes the need for choosing the right data collection methods for accuracy and reliability. The references provided support the arguments and findings presented in the report.