This report provides a comprehensive analysis of business decision-making, encompassing various aspects from market research and data collection to statistical analysis and financial modeling. The report begins with a research plan for gathering primary and secondary data, including survey methodologies and sampling frames. It then delves into statistical calculations, such as mean, mode, median, range, standard deviation, and correlation coefficients, to analyze sales figures and customer behavior. Graphical representations, including line and bar graphs, are used to visualize sales, cost, and profitability trends, along with trend line graphs for forecasting. Furthermore, the report explores project management techniques, including critical path analysis and Gantt charts. Finally, it evaluates investment appraisal methods like payback period, net present value (NPV), and internal rate of return (IRR) to make informed project selection recommendations. The report concludes with a summary of key findings and recommendations.