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Willacy County
2021 Confidence Interval Detail
Willacy County
245-901/Lasara ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,249,965 | 0.9396 | 4,523,164 | 15 | 142 | 0.029912733 |
| A | 4,253,577 | 0.8930 | 4,763,244 | 16 | 90 | 0.069735754 |
| A | 4,186,022 | 0.9731 | 4,301,739 | 15 | 58 | 0.022554219 |
| A | 5,250,010 | 0.9212 | 5,699,099 | 17 | 38 | 0.026484622 |
| E | 9,540,858 | 0.9084 | 10,502,926 | 20 | 151 | 0.087048428 |
| Random Totals: | 27,480,432 | 29,790,172 | 83 | 479 | ||
| CATG D1 EXCEPTION VALUES: | 8,188,260 | 8,653,174 | ||||
| CATG J EXCEPTION VALUES: | 161,300 | 169,543 | ||||
| Total Test Values | 35,829,992 | 38,612,889 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,930,644 |
Confidence Interval Values(5)
| Local Test Value: | 35,829,992 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 36,682,245 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 40,543,533 | (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