2012 Confidence Interval Detail
229/Tyler
229-904/Warren ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 27,646,604 | 0.9575 | 28,873,738 | 16 | 744 | .018922627 |
| A | 27,911,353 | 0.8858 | 31,509,769 | 16 | 400 | .030641491 |
| A | 28,514,182 | 0.9664 | 29,505,569 | 15 | 260 | .006199949 |
| A | 28,368,563 | 0.9993 | 28,388,435 | 15 | 143 | .004756132 |
| D3 | 32,534,687 | 0.8858 | 36,729,157 | 20 | 2,347 | .211082454 |
| G1 | 25,479,996 | 1.0150 | 25,103,444 | 9 | 21 | .006328278 |
| G1 | 25,794,208 | 1.0101 | 25,536,291 | 5 | 7 | .007344801 |
| G1 | 28,475,239 | 1.0273 | 27,718,523 | 3 | 4 | .001938733 |
| Random Totals: | 224,724,832 | 233,364,926 | 99 | 3,926 | ||
| Catg D1 Exception Values: | 20,216,415 | 20,453,386 | ||||
| Catg G1 Exception Values: | 18,501,280 | 18,452,661 | ||||
| Total Test Values (4): | 263,442,527 | 272,270,973 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 13,613,549 |
Confidence Interval Values (5)
| State Lower Limit: | 258,657,424 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 263,442,527 | (Within Confidence Interval) |
| State Upper Limit: | 285,884,522 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 260,551,204 | (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