Assignment 17 is an extra credit assignment to answer research questions below using an employment performance survey dataset. For each of the following research questions, what statistical test is most appropriate? If a regression is needed, what are the dependent variable and independent variables? Show your output in SPSS and Excel.

1. Are there any differences in job performance six months ago by gender?
2. Can we predict current job performance from employee age?
3. Do older employees tend to stay longer in our organization?
4. Did part-time employees have lower job performance than full-time employees?
5. Is job performance now less than job performance six months ago?
6. Do the ages of employees differ by department?
7. Are there more women in relation to men in some departments?
8. Does performance 6 months ago predict performance now?