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Willacy County
2023 Confidence Interval Detail
Willacy County
245-904/San Perlita ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 17,352,203 | 0.5426 | 31,979,733 | 16 | 302 | 0.241461544 |
| A | 18,620,048 | 0.8641 | 21,548,487 | 15 | 154 | 0.059138278 |
| A | 19,421,677 | 0.9249 | 20,998,678 | 13 | 105 | 0.026940575 |
| A | 20,863,452 | 1.0157 | 20,540,959 | 15 | 70 | 0.087135165 |
| Random Totals: | 76,257,380 | 95,067,857 | 59 | 631 | ||
| CATG D1 EXCEPTION VALUES: | 14,907,479 | 17,198,336 | ||||
| CATG J EXCEPTION VALUES: | 15,785,830 | 15,781,974 | ||||
| Total Test Values | 106,950,689 | 128,048,167 |
Margin of Error
| Margin of Error Percent: | 6.8072229 |
|---|---|
| Margin of Error Value: | 8,716,524 |
Confidence Interval Values(5)
| Local Test Value: | 106,950,689 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 119,331,643 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 136,764,691 | (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