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Williamson County
2020 Confidence Interval Detail
Williamson County
246-906/Hutto ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 779,972,337 | 0.9473 | 823,363,599 | 50 | 3,809 | 0.001327228 |
| A | 753,713,347 | 0.9764 | 771,930,917 | 49 | 3,276 | 0.001186966 |
| A | 756,065,152 | 0.9658 | 782,838,219 | 49 | 2,853 | 0.002684439 |
| A | 811,176,894 | 0.9613 | 843,833,240 | 48 | 2,210 | 0.006151358 |
| F1 | 102,658,258 | 0.9259 | 110,874,023 | 12 | 151 | 0.022239552 |
| F1 | 103,548,345 | 0.9659 | 107,204,001 | 9 | 52 | 0.006821469 |
| F1 | 121,721,024 | 0.9614 | 126,608,097 | 7 | 22 | 0.012196900 |
| F1 | 107,986,559 | 0.9884 | 109,253,904 | 4 | 7 | 0.003214272 |
| Random Totals: | 3,536,841,916 | 3,675,906,000 | 228 | 12,380 | ||
| CATG D1 EXCEPTION VALUES: | 4,899,226 | 7,932,816 | ||||
| Total Test Values | 3,541,741,142 | 3,683,838,816 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 184,191,941 |
Confidence Interval Values(5)
| Local Test Value: | 3,541,741,142 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 3,499,646,875 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 3,868,030,757 | (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