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. 2020 Sep 4;28(3):2669–2677. doi: 10.1007/s11356-020-10689-0

Table 2.

Exploratory data analysis

Variable Mean SD Minimum Maximum Ex. kurtosis 10-Trim IQR
PCGDP 3.1942 1.9372 2.1931 8.1946 0.8745 3.95 1.6910
CO2 0.9164 0.1911 0.1975 1.9782 0.1794 0.86 0.4937
NO2 5.1946 0.1943 5.1416 6.5946 − 0.9634 5.10 0.5795
PM2.5 0.8512 0.1845 0.1867 1.9245 0.1864 0.84 0.4765