1. Using SPSS for Inferential Statistics UDP 520 Lab 3 Lin October 30 th, 2007

2. Data Set We have surveyed 50 companies with female managers. I have information of their ages positions. –http://courses.washington.edu/urbdp520/UDP520/womenpower.txt

3. Assumptions the national average age of female managers is 50 The national average age of male managers is 40 The national average age of managers (both sexes) is 45.

4. Questions Is the average age of those 50 surveyed female managers significantly different from the national average ages of –female managers, –Male managers –Managers (both sexes)

5. Hand calculation

6. Results

7. SPSS Analyze Compare Means One Sample T Test

8. Population mean