2007 Confidence Interval Detail
016/Blanco
016-901/Johnson City ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 14,182,060 | 0.8836 | 16,050,317 | 7 | 187 | .088272705 |
| A | 14,223,749 | 0.8830 | 16,108,436 | 9 | 116 | .065285362 |
| A | 14,141,812 | 0.9895 | 14,291,877 | 6 | 79 | .015551885 |
| A | 13,975,656 | 1.0392 | 13,448,476 | 7 | 52 | .008858850 |
| D3 | 324,334,133 | 0.9765 | 332,139,409 | 29 | 6,195 | .084350867 |
| F1 | 9,161,860 | 1.0163 | 9,014,917 | 7 | 70 | .032389489 |
| F1 | 9,096,747 | 1.0778 | 8,440,107 | 6 | 35 | .003023851 |
| F1 | 9,570,528 | 1.0348 | 9,248,674 | 5 | 19 | .003889130 |
| F1 | 8,325,731 | 1.0453 | 7,964,920 | 3 | 6 | .004433393 |
| Random Totals: | 417,012,276 | 426,707,133 | 79 | 6,759 | ||
| Catg J Exception Values: | 36,282,252 | 36,588,136 | ||||
| Catg D1 Exception Values: | 24,510,050 | 24,118,376 | ||||
| Total Test Values (4): | 477,804,578 | 487,413,645 |
Margin of Error
| Margin of Error Percent: | 7.3652743 |
|---|---|
| Margin of Error Value: | 35,899,352 |
Confidence Interval Values (5)
| State Lower Limit: | 451,514,293 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 477,804,578 | (Within Confidence Interval) |
| State Upper Limit: | 523,312,997 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 482,196,279 | (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