Table 9. Significance test

Yeouido ParkĀ·Seoul Yeouido Riverside Park Yangjae Citizensā€™ Forest
I II III IV I II III IV
Density 0.4800 0.6200 0.6700 0.6680 0.6220 0.6420 0.7150 0.6840
Average bootstrap density 0.4977 0.6843 0.9308 0.8182 0.7120 0.8330 1.4532 1.0223
Estimated standard error for density 0.2129 0.1562 0.2294 0.1770 0.0907 0.2220 0.3970 0.2151
Z-score 2.2526 4.2993 4.0105 4.5072 6.8522 3.6661 3.5945 4.6846
Proportion of absolute differences as large as observed 0.0002 0.0004 0.0010 0.0004 0.0002 0.0026 0.0026 0.0004