2011 Confidence Interval Detail
228/Trinity
228-905/Apple Springs ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,347,133 | 0.7929 | 1,698,995 | 12 | 73 | .059902730 |
| A | 1,098,613 | 0.7555 | 1,454,154 | 10 | 35 | .033458600 |
| A | 2,789,508 | 1.0419 | 2,677,328 | 10 | 51 | .021793830 |
| A | 5,032,503 | 0.9474 | 5,311,909 | 11 | 48 | .064590797 |
| D3 | 17,027,928 | 0.9436 | 18,045,706 | 22 | 1,415 | .235135063 |
| Random Totals: | 27,295,685 | 29,188,092 | 65 | 1,622 | ||
| Catg J Exception Values: | 461,682 | 460,347 | ||||
| Catg D1 Exception Values: | 9,909,697 | 9,632,708 | ||||
| Total Test Values (4): | 37,667,064 | 39,281,147 |
Margin of Error
| Margin of Error Percent: | 9.6391457 |
|---|---|
| Margin of Error Value: | 3,786,367 |
Confidence Interval Values (5)
| State Lower Limit: | 35,494,780 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 37,667,064 | (Within Confidence Interval) |
| State Upper Limit: | 43,067,514 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 31,748,741 | (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