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Willacy County
2020 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 | 17,694,479 | 0.8206 | 21,562,855 | 16 | 639 | 0.051389464 |
| A | 18,964,724 | 0.8731 | 21,721,136 | 18 | 402 | 0.023618336 |
| A | 20,342,471 | 0.8484 | 23,977,453 | 17 | 280 | 0.052374036 |
| A | 20,727,585 | 1.0522 | 19,699,282 | 22 | 145 | 0.050439817 |
| E | 32,293,343 | 0.8433 | 38,294,015 | 23 | 507 | 0.046394608 |
| Random Totals: | 110,022,602 | 125,254,741 | 96 | 1,973 | ||
| CATG D1 EXCEPTION VALUES: | 42,111,822 | 48,963,515 | ||||
| CATG J EXCEPTION VALUES: | 268,420 | 271,070 | ||||
| Total Test Values | 152,402,844 | 174,489,326 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,724,466 |
Confidence Interval Values(5)
| Local Test Value: | 152,402,844 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 165,764,860 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 183,213,792 | (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