Table 2 The descriptive statistics and correlation coefficients of variables.
From: Cross-sectional analysis of socioeconomic drivers of PM2.5 pollution in emerging SAARC economies
Statistics | LnPM2.5 | LnGDP | LnCOEXP | LnFA | LnPREC | LnTEMP |
|---|---|---|---|---|---|---|
Descriptive statistics | ||||||
Mean | 3.62 | 3.88 | 24.51 | 10.85 | 5.50 | 2.38 |
Median | 3.74 | 4.20 | 24.84 | 10.37 | 5.52 | 2.08 |
Maximum | 4.38 | 7.96 | 28.32 | 13.49 | 6.39 | 3.25 |
Minimum | 2.67 | − 1.02 | 19.97 | 9.84 | 4.14 | 1.80 |
Std. Dev. | 0.44 | 2.27 | 2.21 | 1.23 | 0.62 | 0.56 |
Skewness | − 0.49 | − 0.29 | − 0.40 | 1.41 | − 0.37 | 0.66 |
Kurtosis | 2.15 | 2.45 | 2.52 | 3.50 | 2.09 | 1.52 |
Jarque–Bera | 9.64 | 3.70 | 4.95 | 47.46 | 7.95 | 22.59 |
Probability | 0.0080 | 0.1570 | 0.0839 | 0.0000 | 0.0187 | 1.5225 |
Normality | The series is distributed normally | |||||
Correlation analysis | ||||||
LnPM2.5 | 1 | |||||
LnGDP | 0.60 | 1 | ||||
LnCOEXP | 0.57 | 0.99 | 1 | |||
LnFA | 0.34 | 0.58 | 0.60 | 1 | ||
LnPREC | − 0.32 | 0.24 | 0.24 | 0.31 | 1 | |
LnTEMP | − 0.16 | 0.15 | 0.15 | − 0.45 | 0.54 | 1 |