4. The Atlanta office manager has stated that Manager I's in his office are paid less than Manager I's in the other five offices. Using a Single Factor ANOVA, determine if the mean salaries of Manager I's are different in the six offices. How to do it: ANOVA 5. Fast Board member believes women programmers are underrepresented in the company management ranks. Does the data support this claim: the proportion of female programmers in the Design Department (Programmer I, II, or III) is greater than the proportion of women who are Programmer Managers? How to do it: Two-sample z-test Proportions 6. Is gender a factor in determining whether an employee is a Manager I, Manager II, or Manager III? How to do it: How to use the Chi-square Test for Independent Calculator