2009 Confidence Interval Detail
222/Terrell
222-901/Terrell County ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 11,868,243 | 0.8959 | 13,247,285 | 11 | 5,680 | .025895547 |
| G1 | 149,166,739 | 0.9983 | 149,420,754 | 15 | 238 | .012222102 |
| G1 | 148,751,916 | 1.0489 | 141,817,062 | 15 | 55 | .004664488 |
| G1 | 154,517,374 | 1.0303 | 149,973,186 | 15 | 25 | .001898189 |
| G1 | 142,034,772 | 0.9973 | 142,419,304 | 9 | 12 | .002207825 |
| Random Totals: | 606,339,044 | 596,877,591 | 65 | 6,010 | ||
| Catg J Exception Values: | 23,978,020 | 24,637,831 | ||||
| Catg D1 Exception Values: | 15,824,420 | 24,067,306 | ||||
| Total Test Values (4): | 646,141,484 | 645,582,728 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 32,279,136 |
Confidence Interval Values (5)
| State Lower Limit: | 613,303,592 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 646,141,484 | (Within Confidence Interval) |
| State Upper Limit: | 677,861,864 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 766,698,662 | (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