The research questions and required test types are: 1. a) T-Test. Is there a gender difference in monthly gross income in pounds? 1. b) T-Test. Is there a difference between workers with different job roles (i.e., workgroup leaders and workgroup members) with regards to monthly gross income in pounds? 1. c) Anova. Is the relationship between job role and monthly gross income in pounds different for women and men? 2. a) Correlation. Is there an interrelation between satisfaction with pay and overall job satisfaction? 2. b) Correlation. Is there an interrelation between satisfaction with work content and overall job satisfaction? 2. c) Regression. Which of the two variables is a stronger predictor of overall job satisfaction: satisfaction with pay or satisfaction with job content?