2011 Confidence Interval Detail
228/Trinity
228-903/Trinity ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 49,320,001 | 0.9429 | 52,306,714 | 19 | 1,459 | .141591753 |
| A | 51,443,218 | 0.8208 | 62,674,486 | 13 | 667 | .309984073 |
| A | 47,626,775 | 0.9814 | 48,529,422 | 12 | 373 | .015573555 |
| A | 49,383,351 | 0.9973 | 49,517,047 | 10 | 225 | .059185389 |
| C | 9,163,259 | 1.1147 | 8,220,381 | 10 | 3,302 | .076825938 |
| C | 8,908,607 | 1.0348 | 8,609,013 | 16 | 2,071 | .578803674 |
| C | 9,640,111 | 0.6231 | 15,471,210 | 12 | 994 | .450003119 |
| C | 7,338,779 | 0.9004 | 8,150,576 | 10 | 258 | .238637923 |
| D3 | 26,522,133 | 0.9810 | 27,035,813 | 19 | 1,278 | .262103208 |
| F1 | 4,439,558 | 0.5122 | 8,667,626 | 10 | 98 | .247771693 |
| F1 | 5,548,636 | 0.7962 | 6,968,897 | 9 | 44 | .144802703 |
| F1 | 5,460,495 | 0.5749 | 9,498,165 | 6 | 14 | .020323000 |
| F1 | 5,437,177 | 0.6583 | 8,259,421 | 4 | 6 | .008400238 |
| Random Totals: | 280,232,100 | 313,908,771 | 150 | 10,789 | ||
| Catg J Exception Values: | 9,659,280 | 9,948,008 | ||||
| Catg D1 Exception Values: | 6,436,975 | 6,084,965 | ||||
| Total Test Values (4): | 296,328,355 | 329,941,744 |
Margin of Error
| Margin of Error Percent: | 7.3909787 |
|---|---|
| Margin of Error Value: | 24,385,924 |
Confidence Interval Values (5)
| Local Test Value: | 296,328,355 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 305,555,820 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 354,327,668 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 289,317,286 | (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