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Austin County
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