2007 Confidence Interval Detail
008/Austin
008-903/Brazos ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 18,974,032 | 0.8639 | 21,963,227 | 8 | 428 | .046216768 |
| A | 18,908,819 | 0.9199 | 20,555,298 | 7 | 237 | .006509711 |
| A | 18,981,625 | 0.9984 | 19,012,044 | 7 | 173 | .020251565 |
| A | 18,901,124 | 0.9684 | 19,517,889 | 7 | 112 | .010497619 |
| D3 | 57,412,347 | 1.0020 | 57,297,751 | 10 | 2,311 | .015290735 |
| G1 | 53,427,540 | 0.9533 | 56,044,834 | 5 | 20 | .024007578 |
| G1 | 54,077,030 | 1.0399 | 52,002,144 | 3 | 6 | .002102898 |
| G1 | 47,314,550 | 1.9070 | 24,810,986 | 2 | 3 | 1.011597078 |
| Random Totals: | 287,997,067 | 271,204,173 | 49 | 3,290 | ||
| Catg J Exception Values: | 19,437,141 | 19,485,260 | ||||
| Catg D1 Exception Values: | 10,588,101 | 9,135,578 | ||||
| Catg G1 Exception Values: | 46,650,490 | 47,009,294 | ||||
| Total Test Values (4): | 364,672,799 | 346,834,305 |
Margin of Error
| Margin of Error Percent: | 6.5136879 |
|---|---|
| Margin of Error Value: | 22,591,704 |
Confidence Interval Values (5)
| State Lower Limit: | 324,242,601 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 364,672,799 | (Within Confidence Interval) |
| State Upper Limit: | 369,426,009 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 391,216,651 | (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