taxes Property Tax Assistance

2018 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	93,750,179	0.9880	94,888,845	18	2,325	.079837936
A	101,740,389	0.9705	104,832,961	16	1,389	.067227138
A	94,593,768	1.0530	89,832,638	11	775	.021583706
A	113,574,485	1.0792	105,239,515	13	574	.029070844
E	174,747,163	0.8958	195,073,859	25	3,127	.072578028
F1	36,051,251	0.7543	47,794,314	11	335	.283555394
F1	36,646,189	0.9745	37,605,120	13	96	.082682227
F1	34,999,889	1.0149	34,486,047	8	36	.071212207
F1	33,743,619	0.9820	34,362,137	4	8	.010405277
L1	17,540,832	1.0340	16,964,054	10	349	.040915540
L1	17,476,391	0.9526	18,345,991	9	90	.017976409
L1	16,465,566	0.9967	16,520,082	8	28	.003025584
L1	20,188,285	0.9392	21,495,193	3	6	.006829170
Random Totals:	791,518,006		817,440,756	149	9,138
Catg J Exception Values:	6,047,490		5,962,632
Catg D1 Exception Values:	22,386,505		22,352,430
Total Test Values (4):	819,952,001		845,755,818

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	42,287,790

Confidence Interval Values (5)

State Lower Limit:	803,468,028	(State Test Value minus Margin of Error Percent)
Local Test Value:	819,952,001	(Within Confidence Interval)
State Upper Limit:	888,043,608	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	1,053,917,121	(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