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Willacy County
2020 Confidence Interval Detail
Willacy County
245-902/Lyford CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 17,694,479 | 0.8393 | 21,082,425 | 16 | 639 | 0.046337078 |
| A | 18,964,724 | 0.8833 | 21,470,309 | 18 | 402 | 0.021616504 |
| A | 20,342,471 | 0.8484 | 23,977,453 | 17 | 280 | 0.052374036 |
| A | 20,727,585 | 1.0970 | 18,894,790 | 21 | 145 | 0.035460088 |
| E | 32,293,343 | 0.8531 | 37,854,112 | 24 | 507 | 0.043902207 |
| Random Totals: | 110,022,602 | 123,279,089 | 96 | 1,973 | ||
| CATG D1 EXCEPTION VALUES: | 42,133,492 | 48,987,698 | ||||
| CATG J EXCEPTION VALUES: | 268,420 | 271,070 | ||||
| Total Test Values | 152,424,514 | 172,537,857 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,626,893 |
Confidence Interval Values(5)
| Local Test Value: | 152,424,514 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 163,910,964 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 181,164,750 | (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