taxes Property Tax Assistance

2020 Confidence Interval Detail

Austin County
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 137,490,799 0.8967 153,329,764 26 1,101 0.036680693
A 152,670,607 0.9885 154,446,745 28 721 0.012770072
A 144,789,122 1.0013 144,601,141 16 448 0.017196738
A 181,673,799 1.0153 178,936,077 15 331 0.010292557
E 512,767,388 1.0238 500,847,224 38 2,976 0.077722559
F1 18,642,378 1.0047 18,555,169 11 132 0.020137120
F1 18,674,134 0.9341 19,991,579 11 62 0.010506105
F1 19,103,254 0.8230 23,211,730 9 31 0.107167194
F1 11,643,262 0.9754 11,936,910 7 9 0.004916855
Random Totals: 1,197,454,743 1,205,856,339 161 5,811
CATG D1 EXCEPTION VALUES: 15,850,889 14,874,006
CATG J EXCEPTION VALUES: 22,236,160 39,264,260
Total Test Values 1,235,541,792 1,259,994,605

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 62,999,730

Confidence Interval Values(5)

Local Test Value: 1,235,541,792 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 1,196,994,875 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,322,994,335 (State Test Value plus Margin of Error Percent)

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