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Willacy County
2021 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 | 18,914,330 | 0.7438 | 25,429,322 | 17 | 648 | 0.178293875 |
| A | 19,620,045 | 0.7507 | 26,135,667 | 15 | 395 | 0.057414547 |
| A | 20,858,576 | 0.8118 | 25,694,230 | 15 | 274 | 0.067157290 |
| A | 21,413,355 | 0.8514 | 25,150,758 | 15 | 142 | 0.079716419 |
| E | 34,653,774 | 0.7479 | 46,334,769 | 20 | 515 | 0.187676950 |
| Random Totals: | 115,460,080 | 148,744,746 | 82 | 1,974 | ||
| CATG D1 EXCEPTION VALUES: | 41,782,688 | 50,125,849 | ||||
| CATG J EXCEPTION VALUES: | 18,532,250 | 19,452,632 | ||||
| Total Test Values | 175,775,018 | 218,323,227 |
Margin of Error
| Margin of Error Percent: | 5.3369097 |
|---|---|
| Margin of Error Value: | 11,651,713 |
Confidence Interval Values(5)
| Local Test Value: | 175,775,018 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 206,671,514 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 229,974,940 | (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