2006 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 | 11,217,555 | 0.9703 | 11,560,914 | 7 | 807 | .011561077 |
| A | 11,219,688 | 0.8635 | 12,993,269 | 7 | 472 | .011503744 |
| A | 11,199,769 | 1.0228 | 10,950,107 | 7 | 327 | .021127708 |
| A | 11,210,371 | 1.0277 | 10,908,213 | 8 | 179 | .007045077 |
| D3 | 22,932,536 | 1.0842 | 21,151,574 | 26 | 2,169 | .012197377 |
| F1 | 2,861,696 | 0.9490 | 3,015,486 | 6 | 77 | .004634948 |
| F1 | 2,860,269 | 0.9293 | 3,077,875 | 6 | 27 | .008324283 |
| F1 | 3,031,368 | 0.9300 | 3,259,535 | 4 | 11 | .008014596 |
| G1 | 12,188,083 | 1.0799 | 11,286,307 | 6 | 33 | .018661332 |
| G1 | 12,595,596 | 1.0189 | 12,361,955 | 4 | 9 | .000597484 |
| G1 | 15,246,056 | 1.1726 | 13,001,924 | 3 | 4 | .097364870 |
| Random Totals: | 116,562,987 | 113,567,159 | 84 | 4,115 | ||
| Catg J Exception Values: | 10,164,099 | 11,836,295 | ||||
| Catg D1 Exception Values: | 26,871,069 | 28,089,504 | ||||
| Catg F1 Exception Values: | 2,479,390 | 2,666,441 | ||||
| Catg G1 Exception Values: | 7,200,988 | 7,445,087 | ||||
| Total Test Values (4): | 163,278,533 | 163,604,486 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,180,224 |
Confidence Interval Values (5)
| State Lower Limit: | 155,424,262 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 163,278,533 | (Within Confidence Interval) |
| State Upper Limit: | 171,784,710 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 188,796,015 | (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