Imagine that you are the Director of Human Resources. You have heard complaints of unequal treatment of male and female employees. Examine whether there is a difference in performance review ratings.
To answer this question, provide your understanding of the next controversies. What is your Research Hypothesis? What is your Null Hypothesis? Should you interpret significance for one-sided p or two-sided p? Explain. Did you meet the assumption of equal variance? Why or why not? What is your obtained value? Why should you interpret this obtained and not the other? What can you conclude?