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Zavala County
2020 Confidence Interval Detail
Zavala County
254-901/Crystal City ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 27,377,070 | 0.9490 | 28,848,335 | 10 | 835 | 0.048379037 |
| A | 27,790,758 | 0.8200 | 33,891,168 | 10 | 535 | 0.169375465 |
| A | 29,540,040 | 0.9710 | 30,422,286 | 10 | 398 | 0.012722438 |
| A | 29,154,380 | 0.9409 | 30,985,631 | 10 | 205 | 0.020863789 |
| G1 | 111,047,728 | 1.0051 | 110,484,258 | 9 | 71 | 0.000930580 |
| G1 | 112,571,413 | 1.0297 | 109,324,476 | 8 | 25 | 0.001561730 |
| G1 | 121,424,888 | 0.9955 | 121,973,770 | 5 | 10 | 0.000465806 |
| Random Totals: | 458,906,277 | 465,929,924 | 62 | 2,079 | ||
| CATG D1 EXCEPTION VALUES: | 41,757,321 | 37,269,541 | ||||
| CATG G1 EXCEPTION VALUES: | 239,666,790 | 240,990,447 | ||||
| CATG J EXCEPTION VALUES: | 24,601,097 | 27,797,592 | ||||
| Total Test Values | 764,931,485 | 771,987,504 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 38,599,375 |
Confidence Interval Values(5)
| Local Test Value: | 764,931,485 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 733,388,129 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 810,586,879 | (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