This presentation delves into the crucial role of data insights in modern business studies, focusing on both quantitative and qualitative research methodologies. It begins by outlining the functions of quantitative research, emphasizing questionnaire design and its application in marketing research and data analysis. The presentation then explores qualitative research, focusing on discussion guide design and its use in gathering non-statistical data to enhance decision-making. It explains correlation and regression, illustrating how these techniques are utilized to analyze relationships between variables. The presentation also covers time series analysis, a method for tracking data trends over time. Furthermore, it addresses how data can be gathered and utilized to inform business decisions, highlighting the importance of both quantitative and qualitative methods in enhancing decision-making processes. The presentation concludes by emphasizing the significance of these research methods in providing a comprehensive understanding of collected data and improving business outcomes. It also highlights the use of client information to understand and respond to their needs. The presentation also discusses the critique of problems surrounding the analysis techniques.