Research on Influential Factors of PM2.5 within the Beijing-Tianjin-Hebei Region in China

Table 5

Descriptive statistics of the influencing factors.

Variable	Unit		Mean	StDev	Min	Max
PM2.5	μg/m^3	52	98.04	36.73	34.00	186.42
IF1	Person/km^2	52	615.57	347.56	88.72	1348.14
IF2	Ton/km^2	52	0.05	0.03	0.00	0.11
IF3	kgce/person	52	2875.24	2199.52	345.85	7532.65
IF4	Ton/km^2	52	749.88	737.21	91.89	2855.55
IF5	Ton/km^2	52	1515.26	2112.26	18.21	8297.95
IF6	%	52	38.50	8.90	16.12	55.34
IF7	Unit/km^2	52	114.49	87.43	12.65	349.01
IF8	km/km^2	52	1.14	0.37	0.49	1.84
IF9	Ton/km^2	52	16020.78	11903.79	1243.95	44516.16
IF10	m^2/km^2	52	3666.67	3206.75	224.90	13096.12
IF11	m^2/km^2	52	1108.49	1425.79	71.61	7733.04
IF12	km/km^2	52	0.05	0.04	0.01	0.19
IF13	%	52	50.09	14.52	13.70	73.00
IF14	%	52	4.15	6.47	0.02	25.80
IF15	%	52	11.17	5.26	3.93	29.00

In this table, is the number of the analysis examples. StDev is the standard deviation.