2011 Confidence Interval Detail
081/Freestone
081-905/Wortham ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 6,175,040 | 0.9444 | 6,538,585 | 10 | 165 | .005748252 |
| A | 5,282,330 | 1.0240 | 5,158,525 | 10 | 87 | .001397791 |
| A | 5,856,570 | 1.0268 | 5,703,711 | 10 | 69 | .000818616 |
| A | 5,890,520 | 0.9910 | 5,944,016 | 10 | 39 | .001759216 |
| D3 | 25,225,430 | 1.0088 | 25,005,383 | 15 | 1,388 | .007213625 |
| Random Totals: | 48,429,890 | 48,350,220 | 55 | 1,748 | ||
| Catg J Exception Values: | 9,217,869 | 11,409,698 | ||||
| Catg D1 Exception Values: | 3,294,070 | 2,820,872 | ||||
| Total Test Values (4): | 60,941,829 | 62,580,790 |
Margin of Error
| Margin of Error Percent: | 5.0000008 |
|---|---|
| Margin of Error Value: | 3,129,040 |
Confidence Interval Values (5)
| State Lower Limit: | 59,451,750 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 60,941,829 | (Within Confidence Interval) |
| State Upper Limit: | 65,709,830 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 123,189,956 | (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