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Willacy County
2019 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 | 15,197,263 | 0.6826 | 22,263,790 | 15 | 596 | 0.041456336 |
| A | 16,429,263 | 0.8087 | 20,315,646 | 17 | 386 | 0.021957260 |
| A | 21,213,349 | 0.8108 | 26,163,479 | 22 | 320 | 0.078539770 |
| A | 19,559,129 | 0.9508 | 20,571,234 | 17 | 144 | 0.019437868 |
| E | 29,231,324 | 0.9014 | 32,428,804 | 22 | 497 | 0.052689098 |
| Random Totals: | 101,630,328 | 121,742,953 | 93 | 1,943 | ||
| CATG D1 EXCEPTION VALUES: | 42,226,696 | 56,711,365 | ||||
| CATG J EXCEPTION VALUES: | 16,527,400 | 16,285,343 | ||||
| Total Test Values(2) | 160,384,424 | 194,739,661 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,736,983 |
Confidence Interval Values(5)
| Local Test Value: | 160,384,424 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 185,002,678 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 204,476,644 | (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