taxes Property Tax Assistance

2017 Confidence Interval Detail

125/Jim Wells
125-901/Alice ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	95,234,764	0.7027	135,526,916	16	2,384	.033394190
A	94,870,182	0.8946	106,047,599	15	1,303	.045150707
A	95,718,534	0.9474	101,032,863	15	786	.037824222
A	96,164,555	1.0399	92,474,810	16	490	.018549507
E	165,463,284	0.8200	201,784,493	22	3,087	.207348103
F1	35,800,737	0.9584	37,354,692	11	330	.026896587
F1	38,465,780	1.0329	37,240,565	9	99	.069726492
F1	33,273,900	1.0270	32,399,124	8	33	.037198505
F1	35,857,515	1.0167	35,268,531	4	8	.015746160
L1	21,169,222	0.9615	22,016,872	9	368	.002274493
L1	18,416,178	0.9247	19,915,841	10	82	.027845081
L1	16,265,797	0.9827	16,552,149	8	24	.000317622
L1	18,680,740	0.9697	19,264,453	3	5	.011189271
Random Totals:	765,381,188		856,878,908	146	8,999
Catg J Exception Values:	30,427,150		30,521,972
Catg D1 Exception Values:	19,837,563		21,887,295
Total Test Values (4):	815,645,901		909,288,175

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	45,464,408

Confidence Interval Values (5)

Local Test Value:	815,645,901	(Outside Confidence Interval)
State Lower Limit:	863,823,767	(State Test Value minus Margin of Error Percent)
State Upper Limit:	954,752,583	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	1,120,176,273	(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