taxes Property Tax Assistance

2017 Confidence Interval Detail

248/Winkler
248-901/Kermit ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	23,309,320	0.6866	33,948,908	16	848	.218615463
A	27,160,380	0.8510	31,915,840	15	584	.076514209
A	28,881,440	0.8601	33,579,165	16	398	.087083978
A	33,265,070	0.8130	40,916,445	15	255	.043777991
F1	7,048,580	0.6375	11,056,596	11	179	.150182619
F1	6,751,660	0.9714	6,950,443	8	54	.094214073
F1	8,033,370	0.7370	10,900,095	7	20	.184951009
G1	37,582,500	1.0329	36,385,420	13	146	.004291238
G1	37,990,140	0.9827	38,658,940	10	37	.010776571
G1	45,166,535	1.0214	44,220,222	7	14	.000800584
Random Totals:	255,188,995		288,532,074	118	2,535
Catg J Exception Values:	7,846,690		8,749,205
Catg D1 Exception Values:	760,862		878,365
Catg F1 Exception Values:	7,612,350		6,876,472
Catg G1 Exception Values:	28,521,980		28,281,235
Total Test Values (4):	299,930,877		333,317,351

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	16,665,867

Confidence Interval Values (5)

Local Test Value:	299,930,877	(Outside Confidence Interval)
State Lower Limit:	316,651,484	(State Test Value minus Margin of Error Percent)
State Upper Limit:	349,983,218	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	584,690,369	(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