2009 Confidence Interval Detail
040/Cochran
040-902/Whiteface-Bledsoe CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 4,903,930 | 0.9557 | 5,131,244 | 10 | 1,756 | .007531763 |
| G1 | 113,491,815 | 0.9869 | 114,998,293 | 8 | 54 | .011291510 |
| G1 | 106,987,130 | 0.9677 | 110,558,159 | 5 | 9 | .008990770 |
| G1 | 120,895,252 | 1.0020 | 120,653,944 | 4 | 5 | .011542846 |
| Random Totals: | 346,278,127 | 351,341,640 | 27 | 1,824 | ||
| Catg D1 Exception Values: | 30,487,470 | 33,428,083 | ||||
| Catg G1 Exception Values: | 91,659,920 | 94,104,201 | ||||
| Total Test Values (4): | 468,425,517 | 478,873,924 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 23,943,696 |
Confidence Interval Values (5)
| State Lower Limit: | 454,930,228 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 468,425,517 | (Within Confidence Interval) |
| State Upper Limit: | 502,817,620 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 529,422,727 | (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
