taxes Property Tax Assistance

2016 Confidence Interval Detail

008/Austin
008-901/Bellville ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	101,346,366	0.8458	119,823,086	20	1,030	.040729975
A	106,320,144	0.8866	119,918,953	21	648	.041494693
A	118,782,436	0.9168	129,561,994	16	495	.023829402
A	156,617,209	0.8630	181,479,964	13	396	.023643981
E	547,386,680	0.8459	647,105,663	31	2,991	.062450778
F1	13,442,565	0.9832	13,672,259	11	120	.088705246
F1	18,512,238	1.0464	17,691,359	14	79	.019461085
F1	14,982,884	1.0654	14,063,154	8	33	.005235947
F1	23,675,552	1.0580	22,377,648	6	24	.025823974
Random Totals:	1,101,066,074		1,265,694,080	140	5,816
Catg J Exception Values:	25,283,710		25,911,939
Catg D1 Exception Values:	21,318,154		17,713,890
Total Test Values (4):	1,147,667,938		1,309,319,909

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	65,465,995

Confidence Interval Values (5)

Local Test Value:	1,147,667,938	(Outside Confidence Interval)
State Lower Limit:	1,243,853,914	(State Test Value minus Margin of Error Percent)
State Upper Limit:	1,374,785,904	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	1,142,498,760	(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, D3, 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