Table 3. Summary statistics Black cervical cancer mortality by year in thirteen U.S. states.

Year	Mean	Standard deviation	CV	Minimum	Lower quartile	Median	Upper quartile	Maximum
1975	13.95	2.61	18.71	9.70	12.40	13.80	14.90	17.70
1976	12.95	2.73	21.09	9.40	11.20	12.10	14.70	19.50
1977	12.88	2.22	17.24	9.60	11.60	13.00	14.40	17.80
1978	12.90	2.35	18.22	8.50	11.80	12.40	14.60	17.70
1979	10.75	2.44	22.7	6.90	9.00	10.20	13.00	14.40
1980	11.46	2.10	18.33	8.70	9.50	11.70	13.00	14.40
1981	10.38	2.07	19.95	7.70	8.90	10.00	11.60	14.40
1982	10.46	2.06	19.7	7.20	8.30	10.70	11.80	13.50
1983	10.56	1.92	18.19	7.40	8.40	11.30	11.50	13.40
1984	10.44	1.69	16.19	7.70	9.40	10.30	11.60	13.00
1985	9.75	1.72	17.65	7.10	8.20	9.70	11.30	12.00
1986	10.18	1.90	18.67	7.10	8.80	10.10	11.10	13.80
1987	8.72	1.61	18.47	6.20	7.80	8.80	9.50	11.80
1988	8.52	2.14	25.12	5.00	7.50	8.00	9.90	11.80
1989	9.15	2.17	23.72	6.10	7.90	8.60	10.30	13.20
1990	8.31	1.53	18.42	5.00	7.50	8.50	8.70	10.90
1991	8.19	1.44	17.59	6.30	7.60	7.90	8.70	11.40
1992	8.93	1.99	22.29	5.70	7.10	9.10	10.30	12.00
1993	8.54	1.21	14.17	7.00	7.50	8.30	9.30	10.70
1994	7.38	1.10	14.91	5.50	6.80	7.60	8.10	8.80
1995	7.74	1.52	19.64	5.50	6.60	7.90	8.40	11.20
1996	6.75	1.33	19.71	5.00	5.70	6.20	8.00	8.90
1997	7.05	0.93	13.2	6.00	6.40	6.90	7.80	8.70
1998	6.23	0.98	15.74	4.90	5.50	6.20	6.90	8.00
1999	5.80	1.16	20	3.80	5.30	6.00	6.40	8.20
2000	6.00	1.61	26.84	3.30	5.20	5.80	7.60	8.40
2001	5.18	1.40	27.03	3.20	4.10	4.70	5.70	8.00
2002	5.51	0.99	17.97	3.90	4.70	5.60	6.10	7.40
2003	5.15	1.32	25.64	3.50	3.90	5.20	5.70	8.20
2004	5.25	1.06	20.2	3.80	4.40	5.50	5.70	7.60
2005	4.95	1.02	20.61	3.10	4.60	4.80	5.60	6.90
2006	4.85	1.34	27.63	3.40	4.30	4.50	5.20	8.60
2007	4.68	1.26	26.93	2.70	4.00	4.50	5.00	8.00
2008	4.72	1.22	25.85	3.20	3.70	4.70	5.60	7.00
2009	4.55	0.75	16.49	3.60	4.10	4.40	4.70	6.40
2010	4.20	0.99	23.58	2.90	3.60	3.90	4.90	6.20

Mortality rates were calculated as defined in the text.