2008 Confidence Interval Detail
081/Freestone
081-905/Wortham ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,204,560 | 0.9806 | 3,267,958 | 15 | 122 | .032880194 |
| A | 4,372,150 | 0.9951 | 4,393,679 | 13 | 102 | .024650184 |
| A | 6,451,410 | 0.9671 | 6,670,882 | 20 | 102 | .014849549 |
| A | 8,563,850 | 1.0045 | 8,525,485 | 20 | 76 | .026831970 |
| D3 | 18,164,600 | 0.9309 | 19,512,944 | 21 | 1,359 | .057064661 |
| Random Totals: | 40,756,570 | 42,370,948 | 89 | 1,761 | ||
| Catg J Exception Values: | 40,033,456 | 39,351,589 | ||||
| Catg D1 Exception Values: | 3,754,620 | 2,949,655 | ||||
| Total Test Values (4): | 84,544,646 | 84,672,192 |
Margin of Error
| Margin of Error Percent: | 5.0000005 |
|---|---|
| Margin of Error Value: | 4,233,610 |
Confidence Interval Values (5)
| State Lower Limit: | 80,438,582 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 84,544,646 | (Within Confidence Interval) |
| State Upper Limit: | 88,905,802 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 113,181,603 | (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