This report examines the significance of data insights for business decisions within Tesco. It covers the importance of information and data, Tesco's data collection methods, and the difference between traditional market research and big data. The report details how data supports Tesco's operations, including data capture and storage, and the impact of technology on decision-making. It also explores the use of data in daily operations, the role of primary and secondary research in Management Information Systems (MIS), and how MIS can be applied in marketing research. The analysis concludes that effective data collection and analysis are crucial for companies like Tesco to understand market trends, improve decision-making, and maintain a competitive edge. It also highlights the use of frameworks like the Boston Consulting Group (BCG) matrix for strategic development.