This presentation focuses on quantitative business techniques, utilizing statistical, mathematical, and numerical analysis of data collected through polls, questionnaires, and surveys. The core objective is to determine the relationships between various factors within a population, specifically examining the correlation between income levels and variables such as years of post-16 education, years of experience, and the number of previous jobs. The presentation summarizes graphs demonstrating the positive impact of increased work experience and previous jobs on income levels. Correlation analysis reveals a positive relationship between these variables, indicating a positive inclination with income levels. Regression analysis further highlights the significant impact of independent variables like income level on dependent variables such as experience, education, and job history, demonstrating both positive and negative relationships. The conclusion emphasizes the impact of education and experience on income levels and provides a summary of the analysis performed.