This report provides a detailed analysis of data insight, focusing on the roles of quantitative and qualitative research in modern marketing research and data analysis. It covers key concepts such as correlation, regression, and time series, highlighting their applications in business. The report also critiques issues surrounding analysis techniques and examines how data is collected and utilized to make informed business decisions. Various data collection methods, including surveys, interviews, and document analysis, are explored, emphasizing their importance in gaining competitive advantages. The conclusion underscores the significance of qualitative and quantitative data in organizational decision-making, supported by a comprehensive list of references.