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Webb County
2023 Confidence Interval Detail
Webb County
240-904/Webb CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| E | 80,113,332 | 1.0479 | 76,451,314 | 20 | 1,008 | 0.209871667 |
| G1 | 56,692,277 | 1.0219 | 55,477,324 | 10 | 372 | 0.002574113 |
| G1 | 56,742,099 | 1.0054 | 56,437,337 | 10 | 141 | 0.001855631 |
| G1 | 57,311,926 | 0.9969 | 57,490,145 | 9 | 84 | 0.000072668 |
| G1 | 55,934,097 | 1.0031 | 55,761,237 | 9 | 44 | 0.000907198 |
| Random Totals: | 306,793,731 | 301,617,357 | 58 | 1,649 | ||
| CATG D1 EXCEPTION VALUES: | 27,955,624 | 36,507,267 | ||||
| CATG J EXCEPTION VALUES: | 33,590,720 | 34,177,151 | ||||
| Total Test Values | 368,340,075 | 372,301,775 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 18,615,089 |
Confidence Interval Values(5)
| Local Test Value: | 368,340,075 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 353,686,686 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 390,916,864 | (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