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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 | 0.5327 | 32,574,062 | 16 | 302 | 0.227367421 |
| A | 18,620,048 | 0.8552 | 21,772,741 | 15 | 154 | 0.060371921 |
| A | 19,421,677 | 0.9087 | 21,373,035 | 13 | 105 | 0.028909978 |
| A | 20,863,452 | 1.0157 | 20,540,959 | 15 | 70 | 0.087135165 |
| Random Totals: | 76,257,380 | 96,260,797 | 59 | 631 | ||
| CATG D1 EXCEPTION VALUES: | 14,904,921 | 17,196,592 | ||||
| CATG J EXCEPTION VALUES: | 15,785,830 | 15,781,974 | ||||
| Total Test Values | 106,948,131 | 129,239,363 |
Margin of Error
| Margin of Error Percent: | 6.7129482 |
|---|---|
| Margin of Error Value: | 8,675,771 |
Confidence Interval Values(5)
| Local Test Value: | 106,948,131 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 120,563,592 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 137,915,134 | (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