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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 | 0.8037 | 23,534,067 | 17 | 648 | 0.197986884 |
| A | 19,620,045 | 0.7916 | 24,785,302 | 15 | 395 | 0.068280289 |
| A | 20,858,576 | 0.8571 | 24,336,222 | 15 | 274 | 0.045001922 |
| A | 21,413,355 | 0.8868 | 24,146,769 | 15 | 142 | 0.068312795 |
| E | 34,653,774 | 0.7665 | 45,210,403 | 20 | 515 | 0.172159523 |
| Random Totals: | 115,460,080 | 142,012,763 | 82 | 1,974 | ||
| CATG D1 EXCEPTION VALUES: | 41,782,688 | 50,126,467 | ||||
| CATG J EXCEPTION VALUES: | 18,532,250 | 19,442,929 | ||||
| Total Test Values | 175,775,018 | 211,582,159 |
Margin of Error
| Margin of Error Percent: | 5.1458633 |
|---|---|
| Margin of Error Value: | 10,887,729 |
Confidence Interval Values(5)
| Local Test Value: | 175,775,018 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 200,694,430 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 222,469,888 | (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