2009 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 | 10,363,867 | 0.9325 | 11,114,066 | 15 | 214 | .011390542 |
| A | 12,492,754 | 0.9208 | 13,567,283 | 15 | 144 | .015893494 |
| A | 10,611,565 | 0.9367 | 11,328,670 | 15 | 93 | .007531594 |
| A | 12,610,287 | 0.9973 | 12,644,427 | 19 | 75 | .009874505 |
| D3 | 19,144,207 | 0.9553 | 20,039,995 | 20 | 888 | .009656957 |
| Random Totals: | 65,222,680 | 68,694,441 | 84 | 1,414 | ||
| Catg J Exception Values: | 8,374,079 | 8,578,462 | ||||
| Catg D1 Exception Values: | 2,788,902 | 2,779,701 | ||||
| Total Test Values (4): | 76,385,661 | 80,052,604 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 4,002,630 |
Confidence Interval Values (5)
| State Lower Limit: | 76,049,974 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 76,385,661 | (Within Confidence Interval) |
| State Upper Limit: | 84,055,234 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 85,014,449 | (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