This report focuses on business decision-making, specifically using data analysis from a customer survey conducted for a hypothetical restaurant chain, "Food and Friends." The report begins by outlining the process of collecting primary and secondary data, emphasizing the use of surveys and questionnaires to gather customer preferences. It then presents the survey methodology, including the sampling frame and the design of the questionnaire, which aims to understand customer satisfaction, preferences for new menu items, and suggestions for improvements. The core of the report summarizes the survey data using representative values, analyzing customer feedback on price, food quality, location, and potential changes. The analysis includes the use of measures of dispersion. The findings reveal insights into customer perceptions, highlighting areas where the restaurant excels and areas needing improvement, such as infrastructure and menu options. The report concludes by drawing valid conclusions based on the analysis, offering recommendations for strategic improvements to enhance customer satisfaction and business growth. The report recommends that proper marketing strategies should be applied to be acquainted with the economy of the London and its sub areas. Beside this promotion and advertisement is significant factor which helps to attain target customers which create brand value in long run.