Table A.XIII:

Summary Statistics

			Percentile
	Mean	SD	10th	90th
PANEL A	Observed population diversity sample (N = 207)
Population diversity (observed)	0.72	0.05	0.65	0.76
Population diversity (predicted)	0.72	0.04	0.65	0.76
Conflict prevalence	0.14	0.27	0.00	0.63
Number of conflicts	1.04	2.78	0.00	3.00
Number of deaths (in thousands)	3.56	39.32	0.00	1.49
Ethnolinguistic fractionalization	0.26	0.30	0.00	0.74
Ethnolinguistic polarization	0.33	0.36	0.00	0.85
Absolute latitude	15.15	15.09	1.85	38.02
Ruggedness	133.37	144.14	14.69	299.79
Elevation	0.75	0.75	0.07	1.67
Range of elevation	1.60	1.25	0.31	3.36
Mean land suitability	8.50	3.50	3.69	12.38
Range of land suitability	5.09	4.42	0.36	11.76
Small island dummy	0.01	0.10	0.00	0.00
Distance to nearest waterway	56.45	60.96	0.00	140.47
Temperature	21.08	7.79	8.94	27.20
Precipitation	123.06	100.31	31.34	285.66
Years since settlement (centuries from present)	104.94	31.86	40.19	120.19
Malaria	0.16	0.19	0.00	0.49
Oil or gas discovery	0.27	0.45	0.00	1.00
Luminosity	1.20	2.95	0.00	3.70
PANEL B	Predicted population diversity sample (N = 901)
Population diversity (predicted)	0.71	0.04	0.64	0.75
Conflict prevalence	0.19	0.32	0.00	0.76
Number of conflicts	1.13	4.30	0.00	3.00
Number of deaths (in thousands)	2.22	20.67	0.00	1.62
Ethnolinguistic fractionalization	0.49	0.28	0.02	0.83
Ethnolinguistic polarization	0.55	0.28	0.04	0.87
Absolute latitude	21.69	17.08	2.92	48.23
Ruggedness	172.23	176.69	16.32	403.90
Elevation	0.73	0.86	0.07	1.75
Range of elevation	1.84	1.37	0.34	3.69
Mean land suitability	8.24	3.61	2.09	12.21
Range of land suitability	5.56	4.64	0.55	13.25
Small island dummy	0.03	0.16	0.00	0.00
Distance to nearest waterway	43.72	56.33	0.00	94.88
Temperature	18.82	9.36	3.83	26.67
Precipitation	118.85	75.53	32.58	225.72
Years since settlement (centuries from present)	112.52	23.61	90.19	120.19
Malaria	0.10	0.15	0.00	0.37
Oil or gas discovery	0.35	0.48	0.00	1.00
Luminosity	1.47	3.69	0.00	3.76