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Williamson County
2024 Confidence Interval Detail
Williamson County
246-905/Granger ISD
Category Summary
| (1) Category |
(1) Stratum Number |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|---|
| A | 2 | 40,499,890 | 1.1080 | 36,552,247 | 12 | 304 | 0.089624054 |
| A | 3 | 36,579,484 | 1.0069 | 36,328,815 | 12 | 159 | 0.044735017 |
| A | 4 | 48,999,178 | 0.9918 | 49,404,293 | 12 | 150 | 0.032113484 |
| A | 5 | 38,448,176 | 0.9508 | 40,437,711 | 12 | 68 | 0.056456602 |
| E | 0 | 158,070,406 | 1.0165 | 155,504,580 | 20 | 580 | 0.019979027 |
| F1 | 2 | 26,681,991 | 0.8938 | 29,852,306 | 10 | 46 | 0.037819041 |
| Random Totals: | 349,279,125 | 348,079,952 | 78 | 1,307 | |||
| CATG D1 EXCEPTION VALUES: | 19,777,991 | 17,643,506 | |||||
| CATG J EXCEPTION VALUES: | 8,528,484 | 8,940,163 | |||||
| Total Test Values | 377,585,600 | 374,663,621 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 18,733,181 |
Confidence Interval Values(5)
| Local Test Value: | 377,585,600 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 355,930,440 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 393,396,802 | (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