Table 2.

R² statistics from unweighted regression models^a predicting the absolute difference between the standard D index and the simulated median D index, and the simulated 95 % CI of D

Predictor(s)	Absolute Difference in D			Range of the 95 % CI of D
	wDb	wDa	wDh	wDb	wDa	wDh
(1) Number of Tracts	.10	.10	.02	.66	.93	.75
(2) Total Population	.11	.14	.03	.67	.91	.77
(1) and (2)	.11	.20	.06	.67	.93	.77
(3) Minority Population	.45	.30	.25	.93	.86	.86
(4) Percentage Minority	.49	.40	.36	.57	.44	.30
(1), (2), and (3) or (4)	.51	.44	.36	.96	.95	.93
(5) Number of Zero-Population Tracts	.01	.00	.02	.20	.47	.17
(6) Percentage Zero-Population Tracts	.50	.67	.34	.42	.15	.10
(1), (2), (3), and (5)	.51	.46	.37	.96	.95	.93
(1), (2), (3), and (6)	.56	.69	.44	.97	.96	.93
N	938	936	940	938	936	940

Note: Because the percentage minority population variable is a linear combination of the minority population and total population variables, all three variables cannot be included in the same model.

^aVariables were logged as needed to achieve normality.