2009 Confidence Interval Detail
019/Bowie
019-902/Hooks ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 20,541,471 | 0.9388 | 21,880,561 | 11 | 522 | .058908898 |
| A | 19,776,637 | 0.9680 | 20,430,410 | 11 | 269 | .005139899 |
| A | 21,750,008 | 1.0044 | 21,654,727 | 11 | 210 | .006126752 |
| A | 23,408,144 | 0.9563 | 24,477,825 | 10 | 136 | .012708379 |
| D3 | 36,731,369 | 1.0357 | 35,465,259 | 22 | 996 | .050055425 |
| F1 | 2,863,327 | 0.9156 | 3,127,268 | 6 | 39 | .018968595 |
| F1 | 3,010,314 | 0.8829 | 3,409,575 | 5 | 16 | .008052327 |
| F1 | 2,784,078 | 0.8836 | 3,150,835 | 4 | 7 | .003261231 |
| F1 | 3,224,859 | 0.9238 | 3,490,863 | 2 | 4 | .002800006 |
| Random Totals: | 134,090,207 | 137,087,323 | 82 | 2,199 | ||
| Catg D1 Exception Values: | 3,558,247 | 3,232,322 | ||||
| Total Test Values (4): | 137,648,454 | 140,319,645 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 7,015,982 |
Confidence Interval Values (5)
| State Lower Limit: | 133,303,663 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 137,648,454 | (Within Confidence Interval) |
| State Upper Limit: | 147,335,627 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 141,751,576 | (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