taxes Property Tax Assistance

2018 Confidence Interval Detail

227/Travis
227-913/Lake Travis ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	2,293,973,411	0.9590	2,392,047,352	200	6,900	.014733868
A	2,625,924,801	0.9710	2,704,350,979	205	5,464	.013666648
A	2,830,634,585	0.9651	2,932,996,151	197	4,175	.012596136
A	3,121,894,621	0.9641	3,238,143,990	176	2,264	.022739843
B	136,105,201	0.8885	153,185,370	9	137	.019901802
C1	115,963,817	0.7618	152,223,441	59	2,238	.115380767
C1	125,101,015	0.8068	155,058,273	61	860	.076630728
C1	133,299,286	0.8822	151,098,715	20	325	.065360992
C1	133,959,947	0.9465	141,531,904	9	92	.017797710
F1	449,202,609	0.9693	463,429,907	10	334	.000300044
F1	473,726,956	0.9477	499,870,166	9	93	.008276565
F1	533,784,062	0.9291	574,517,342	7	26	.003181043
F1	404,498,257	0.9653	419,038,907	2	3	.000019031
Random Totals:	13,378,068,568		13,977,492,497	964	22,911
Catg D1 Exception Values:	1,641,122		498,387
Catg B Exception Values:	280,248,846		295,432,986
Total Test Values (4):	13,659,958,536		14,273,423,870

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	713,671,193

Confidence Interval Values (5)

State Lower Limit:	13,559,752,677	(State Test Value minus Margin of Error Percent)
Local Test Value:	13,659,958,536	(Within Confidence Interval)
State Upper Limit:	14,987,095,063	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	13,063,372,759	(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