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Willacy County
2019 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 | 3,094,787 | 0.7747 | 3,994,820 | 15 | 124 | 0.036249057 |
| A | 3,473,630 | 0.8205 | 4,233,553 | 16 | 87 | 0.035637590 |
| A | 4,071,822 | 0.8207 | 4,961,401 | 18 | 66 | 0.038516860 |
| A | 4,350,117 | 0.8145 | 5,340,843 | 19 | 37 | 0.020071094 |
| E | 11,179,103 | 0.8787 | 12,722,320 | 20 | 164 | 0.168287933 |
| G1 | 605,125 | 1.0005 | 604,823 | 7 | 25 | 0.000000008 |
| Random Totals: | 26,774,584 | 31,857,760 | 95 | 503 | ||
| CATG D1 EXCEPTION VALUES: | 8,126,185 | 9,837,173 | ||||
| CATG G1 EXCEPTION VALUES: | 1,425,653 | 1,417,526 | ||||
| CATG J EXCEPTION VALUES: | 166,580 | 159,976 | ||||
| Total Test Values(3) | 36,493,002 | 43,272,435 |
Margin of Error
| Margin of Error Percent: | 5.2604926 |
|---|---|
| Margin of Error Value: | 2,276,343 |
Confidence Interval Values(5)
| Local Test Value: | 36,493,002 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 40,996,092 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 45,548,778 | (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