2007 Confidence Interval Detail
019/Bowie
019-913/Hubbard ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,279,325 | 0.9661 | 1,324,216 | 6 | 27 | .011983763 |
| A | 1,274,815 | 1.0054 | 1,267,968 | 5 | 15 | .003697996 |
| A | 1,261,580 | 0.9452 | 1,334,723 | 5 | 11 | .011094407 |
| A | 1,270,332 | 1.0046 | 1,264,515 | 4 | 6 | .000514451 |
| D3 | 13,554,000 | 0.9939 | 13,637,187 | 21 | 361 | .026838237 |
| Random Totals: | 18,640,052 | 18,828,609 | 41 | 420 | ||
| Catg D1 Exception Values: | 1,113,200 | 900,892 | ||||
| Total Test Values (4): | 19,753,252 | 19,729,501 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 986,475 |
Confidence Interval Values (5)
| State Lower Limit: | 18,743,026 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 19,753,252 | (Within Confidence Interval) |
| State Upper Limit: | 20,715,976 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 16,095,435 | (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