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254/Zavala
2016 Confidence Interval Detail
254/Zavala
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 | 22,565,210 | 0.9572 | 23,574,185 | 10 | 825 | .032177263 |
| A | 22,687,727 | 1.0114 | 22,432,002 | 10 | 527 | .041061882 |
| A | 22,810,770 | 0.8521 | 26,770,062 | 10 | 383 | .056263974 |
| A | 24,366,670 | 0.9037 | 26,963,229 | 10 | 222 | .010200595 |
| G1 | 82,799,700 | 1.0529 | 78,639,662 | 9 | 45 | .006999352 |
| G1 | 84,972,248 | 1.0025 | 84,760,347 | 6 | 12 | .002174087 |
| G1 | 90,584,090 | 0.9774 | 92,678,627 | 2 | 3 | .009171074 |
| Random Totals: | 350,786,415 | 355,818,114 | 57 | 2,017 | ||
| Catg D1 Exception Values: | 38,530,493 | 39,728,064 | ||||
| Catg G1 Exception Values: | 256,603,620 | 249,468,344 | ||||
| Total Test Values (4): | 645,920,528 | 645,014,522 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 32,250,726 |
Confidence Interval Values (5)
| State Lower Limit: | 612,763,796 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 645,920,528 | (Within Confidence Interval) |
| State Upper Limit: | 677,265,248 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 836,651,237 | (See ISD Summary Worksheet) |
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, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories