Appendix A
Summary Statistics
Mean |
Standard Deviation | |
Skills Measures (in years) | ||
Teaching Experience |
14.12 |
7.10 |
Principal Experience |
3.98 |
5.70 |
Standard Deviation in |
A QA 6.34 |
1 1.85 |
Teaching Experience | ||
Metropolitan Area Characteristics | ||
Population (in 1000’s) |
1,600.648 |
2,892.523 |
Population Density |
411.262 |
408.158 |
Percent Advanced Degree |
7.51 |
2.72 |
Number of Districts |
38.78 |
88.24 |
School District Characteristics | ||
Number of Students (in 1000’s) |
55.958 |
105.569 |
Percent Nonwhite Students |
35.07 |
27.13 |
______Mean Teaching Experience______ |
13.86 |
3.18 |
The teaching and principal experience variables refer to the individual
principal data used to create table 1, the remaining variables correspond
to the regression model.
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