| Model | Unstandardized Coefficients | Standardized Coefficients | t | Sig. | ||
| B | Std. Error | Beta | ||||
| 1 | (Constant) | 51.660 | 15.184 |
| 3.402 | 0.001* |
|
| POPs | 9.662E−7 | 0.000 | 0.458 | 3.519 | 0.001* |
|
| DIST | −0.003 | 0.001 | −0.788 | −4.503 | 0.000* |
|
| GDPPC | 2.607E−5 | 0.000 | 0.036 | 0.215 | 0.830 |
|
| WRANK | 0.002 | 0.002 | 0.188 | 1.219 | 0.225 |
|
| GEXP | −0.154 | 0.789 | −0.016 | −0.196 | 0.845 |
|
| ENROLL | −0.199 | 0.092 | −0.336 | −2.165 | 0.032* |