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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 | 0.8397 | 5,061,290 | 15 | 142 | 0.051177290 |
| A | 4,253,577 | 0.8469 | 5,022,526 | 16 | 90 | 0.079139486 |
| A | 4,186,022 | 0.9210 | 4,545,084 | 15 | 58 | 0.039298872 |
| A | 5,250,010 | 0.8673 | 6,053,280 | 17 | 38 | 0.028606213 |
| E | 9,540,858 | 0.9060 | 10,530,748 | 20 | 151 | 0.086751807 |
| Random Totals: | 27,480,432 | 31,212,928 | 83 | 479 | ||
| CATG D1 EXCEPTION VALUES: | 8,187,305 | 8,648,400 | ||||
| CATG J EXCEPTION VALUES: | 161,300 | 169,543 | ||||
| Total Test Values | 35,829,037 | 40,030,871 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,001,544 |
Confidence Interval Values(5)
| Local Test Value: | 35,829,037 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 38,029,327 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 42,032,415 | (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