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Williamson County
2022 Confidence Interval Detail
Williamson County
246-912/Thrall ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 28,745,271 | 0.9396 | 30,593,094 | 11 | 240 | 0.090110537 |
| A | 20,069,872 | 0.9005 | 22,287,476 | 11 | 103 | 0.131700575 |
| A | 57,791,288 | 0.9885 | 58,463,620 | 11 | 209 | 0.047968566 |
| A | 101,657,640 | 1.0128 | 100,372,867 | 10 | 207 | 0.020921663 |
| E | 320,422,986 | 1.0027 | 319,560,174 | 21 | 1,275 | 0.029505363 |
| Random Totals: | 528,687,057 | 531,277,231 | 64 | 2,034 | ||
| CATG D1 EXCEPTION VALUES: | 18,231,291 | 18,393,087 | ||||
| CATG J EXCEPTION VALUES: | 11,755,256 | 12,940,610 | ||||
| Total Test Values | 558,673,604 | 562,610,928 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 28,130,546 |
Confidence Interval Values(5)
| Local Test Value: | 558,673,604 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 534,480,382 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 590,741,474 | (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