taxes Property Tax Assistance

2017 Confidence Interval Detail

249/Wise
249-902/Boyd ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	35,739,878	0.9573	37,334,042	10	498	.031820572
A	35,503,698	0.9574	37,083,453	9	297	.018299170
A	43,573,380	0.9687	44,981,295	13	253	.009499227
A	60,691,182	0.9846	61,640,445	19	203	.005813803
E	130,356,050	0.8317	156,734,460	17	1,059	.009654781
F1	9,721,920	0.9456	10,281,218	9	86	.003298379
F1	9,453,160	0.9425	10,029,878	8	36	.020189952
F1	9,810,000	0.9209	10,652,622	7	20	.010655813
F1	9,448,340	0.9710	9,730,525	5	11	.012465785
G1	34,036,980	1.0353	32,876,442	10	228	.007369930
G1	34,390,500	0.9962	34,521,682	9	62	.002489696
G1	33,246,930	1.0075	32,999,434	8	33	.001866333
G1	33,852,960	1.0203	33,179,418	7	21	.002889702
L1	8,140,440	0.9638	8,446,192	9	101	.016742289
L1	8,702,010	1.1067	7,863,025	9	21	.028822857
L1	12,662,390	0.8906	14,217,819	3	7	.006185492
Random Totals:	509,329,818		542,571,950	152	2,936
Catg J Exception Values:	12,752,390		14,353,230
Catg D1 Exception Values:	2,170,870		2,282,880
Total Test Values (4):	524,253,078		559,208,060

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	27,960,403

Confidence Interval Values (5)

Local Test Value:	524,253,078	(Outside Confidence Interval)
State Lower Limit:	531,247,657	(State Test Value minus Margin of Error Percent)
State Upper Limit:	587,168,463	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	564,264,598	(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