taxes Property Tax Assistance

2018 Confidence Interval Detail

015/Bexar
015-911/East Central ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	436,655,045	0.9117	478,945,975	35	4,095	.012870208
A	596,142,665	0.9723	613,126,262	50	3,997	.008983357
A	580,032,192	1.0196	568,882,103	49	3,002	.004838414
A	587,995,679	0.9828	598,286,202	29	1,895	.011137114
E	375,386,334	0.9290	404,075,709	25	2,771	.067951146
F1	171,463,251	0.9594	178,719,253	11	398	.011002369
F1	161,831,950	0.9886	163,698,108	8	98	.000918062
F1	145,079,787	0.9926	146,161,381	11	28	.000488530
F1	161,688,152	1.0172	158,954,141	4	9	.000037567
L1	113,431,574	1.0587	107,142,320	13	249	.044462363
L1	80,426,470	1.0062	79,930,898	9	31	.014507364
L1	79,642,063	0.9427	84,482,935	7	11	.055800426
L1	127,573,530	0.9687	131,695,602	2	6	.001487220
Random Totals:	3,617,348,692		3,714,100,889	253	16,590
Catg D1 Exception Values:	6,837,082		7,254,123
Total Test Values (4):	3,624,185,774		3,721,355,012

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	186,067,750

Confidence Interval Values (5)

State Lower Limit:	3,535,287,262	(State Test Value minus Margin of Error Percent)
Local Test Value:	3,624,185,774	(Within Confidence Interval)
State Upper Limit:	3,907,422,762	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	3,864,324,572	(See ISD Summary Worksheet)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories