2009 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 | 25,061,424 | 0.9559 | 26,217,621 | 14 | 720 | .042756528 |
| A | 26,316,000 | 0.9229 | 28,514,465 | 17 | 399 | .010345424 |
| A | 28,984,565 | 0.8717 | 33,250,619 | 15 | 278 | .027786061 |
| A | 29,150,649 | 0.9741 | 29,925,725 | 21 | 149 | .013695211 |
| D3 | 32,047,933 | 1.0437 | 30,706,077 | 20 | 2,312 | .040376184 |
| G1 | 7,184,519 | 1.0567 | 6,799,015 | 5 | 14 | .000637806 |
| G1 | 7,856,075 | 1.0787 | 7,282,910 | 2 | 4 | .002065317 |
| Random Totals: | 156,601,165 | 162,696,432 | 94 | 3,876 | ||
| Catg D1 Exception Values: | 26,332,547 | 25,761,292 | ||||
| Catg G1 Exception Values: | 34,729,613 | 35,299,408 | ||||
| Total Test Values (4): | 217,663,325 | 223,757,132 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 11,187,857 |
Confidence Interval Values (5)
| State Lower Limit: | 212,569,275 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 217,663,325 | (Within Confidence Interval) |
| State Upper Limit: | 234,944,989 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 192,466,290 | (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