2007 Confidence Interval Detail
074/Fannin
074-912/Trenton ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 13,272,777 | 0.8155 | 16,275,631 | 14 | 274 | .029312182 |
| A | 13,369,200 | 0.8775 | 15,235,556 | 14 | 135 | .027053626 |
| A | 13,257,551 | 0.9733 | 13,621,238 | 14 | 88 | .027839758 |
| A | 13,166,922 | 0.9635 | 13,665,721 | 16 | 65 | .010009427 |
| D3 | 49,622,192 | 1.0251 | 48,407,172 | 21 | 1,503 | .064500871 |
| L1 | 1,926,608 | 0.9226 | 2,088,238 | 6 | 40 | .014565251 |
| L1 | 2,100,720 | 1.0681 | 1,966,782 | 4 | 7 | .018134023 |
| Random Totals: | 106,715,970 | 111,260,338 | 89 | 2,112 | ||
| Catg D1 Exception Values: | 2,790,329 | 2,418,663 | ||||
| Catg L1 Exception Values: | 3,105,880 | 3,135,079 | ||||
| Total Test Values (4): | 112,612,179 | 116,814,080 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 5,840,704 |
Confidence Interval Values (5)
| State Lower Limit: | 110,973,376 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 112,612,179 | (Within Confidence Interval) |
| State Upper Limit: | 122,654,784 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 116,704,900 | (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