This report focuses on business decision-making within the context of the restaurant industry, specifically for Blackfriars restaurant, aiming to assess market growth and consumer perception for potential expansion. It details the collection of primary and secondary data, including a plan for data gathering, survey methodology, and the design of a questionnaire. The report employs various data analysis techniques, such as summarizing data using representative values (mean, median, mode), analyzing results to draw valid conclusions about consumer preferences, and using dispersion measurements like range and standard deviation. Furthermore, it explains the application of quartiles, percentiles, and correlation coefficients to understand the relationships between sales and profit. The analysis includes the creation of graphs using spreadsheets to derive conclusions and trend lines for forecasting. Finally, the report covers the preparation of a business presentation and a formal business report, alongside the use of project management tools and financial tools for informed decision-making, ultimately providing a comprehensive framework for strategic planning and business expansion within the competitive UK restaurant sector. The assignment includes the design of a questionnaire and statistical analysis of data to make business decisions.