2011 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 | 15,645,883 | 0.9163 | 17,075,066 | 11 | 285 | .017632208 |
| A | 17,944,322 | 0.9612 | 18,668,666 | 12 | 153 | .006612048 |
| A | 15,030,590 | 0.9653 | 15,570,900 | 11 | 97 | .000842429 |
| A | 15,031,158 | 0.9657 | 15,565,039 | 11 | 72 | .007133374 |
| D3 | 46,973,040 | 1.1812 | 39,767,220 | 15 | 1,333 | .116557583 |
| L1 | 3,843,380 | 1.0635 | 3,613,898 | 8 | 28 | .015516323 |
| Random Totals: | 114,468,373 | 110,260,789 | 68 | 1,968 | ||
| Catg D1 Exception Values: | 1,988,670 | 1,995,400 | ||||
| Catg L1 Exception Values: | 1,625,450 | 1,631,402 | ||||
| Total Test Values (4): | 118,082,493 | 113,887,591 |
Margin of Error
| Margin of Error Percent: | 6.3026629 |
|---|---|
| Margin of Error Value: | 7,177,951 |
Confidence Interval Values (5)
| State Lower Limit: | 106,709,640 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 118,082,493 | (Within Confidence Interval) |
| State Upper Limit: | 121,065,542 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 130,695,043 | (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
