2011 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 | 15,603,217 | 0.9936 | 15,703,721 | 10 | 210 | .004815595 |
| A | 14,421,540 | 1.0051 | 14,348,363 | 10 | 119 | .008732999 |
| A | 15,749,040 | 1.0844 | 14,523,276 | 11 | 91 | .006171496 |
| A | 14,877,040 | 1.0314 | 14,424,123 | 11 | 55 | .006397877 |
| D3 | 327,548,449 | 1.0172 | 322,009,879 | 36 | 6,055 | .004910799 |
| F1 | 9,378,000 | 0.9680 | 9,688,017 | 9 | 70 | .008280595 |
| F1 | 9,311,490 | 0.9509 | 9,792,292 | 9 | 36 | .000980108 |
| F1 | 9,757,060 | 0.9511 | 10,258,711 | 11 | 18 | .002374570 |
| F1 | 7,927,980 | 0.9553 | 8,298,943 | 4 | 5 | .001168637 |
| Random Totals: | 424,573,816 | 419,047,325 | 111 | 6,659 | ||
| Catg J Exception Values: | 27,084,666 | 24,553,010 | ||||
| Catg D1 Exception Values: | 24,193,860 | 22,498,118 | ||||
| Total Test Values (4): | 475,852,342 | 466,098,453 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 23,304,923 |
Confidence Interval Values (5)
| State Lower Limit: | 442,793,530 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 475,852,342 | (Within Confidence Interval) |
| State Upper Limit: | 489,403,376 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 491,307,293 | (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
