This report presents a statistical analysis of employee job satisfaction at Valero Energy Corporation. The study utilizes data collected from a survey of 300 employees, examining variables such as age, gender, marital status, salary, and training to determine their impact on job satisfaction. The analysis employs descriptive statistics, including measures of central location (mean, median, mode) and measures of variation (range, standard deviation, variance), to identify trends and patterns. The findings are presented through tables, graphs, and pie charts, illustrating the relationships between various factors and employee satisfaction levels before and after training. The report concludes with recommendations for Valero Energy, suggesting strategies to address identified issues, such as employee demographics, training, and promotion practices, to improve overall employee satisfaction and organizational performance.