2008 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 | 26,578,907 | 0.6788 | 39,155,726 | 14 | 775 | .053710594 |
| A | 26,463,731 | 0.7378 | 35,868,435 | 15 | 388 | .027317170 |
| A | 21,587,307 | 0.8876 | 24,320,986 | 17 | 204 | .023736400 |
| A | 26,014,640 | 1.1120 | 23,394,460 | 20 | 134 | .040422817 |
| D3 | 31,731,313 | 0.9059 | 35,027,390 | 41 | 2,474 | .315690258 |
| G1 | 10,894,221 | 0.9898 | 11,006,487 | 15 | 18 | .002140810 |
| Random Totals: | 143,270,119 | 168,773,484 | 122 | 3,993 | ||
| Catg D1 Exception Values: | 23,231,360 | 23,210,162 | ||||
| Catg G1 Exception Values: | 46,330,365 | 46,417,916 | ||||
| Total Test Values (4): | 212,831,844 | 238,401,562 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 11,920,078 |
Confidence Interval Values (5)
| Local Test Value: | 212,831,844 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 226,481,484 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 250,321,640 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 213,199,582 | (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