2008 Confidence Interval Detail
008/Austin
008-901/Bellville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 61,946,250 | 0.9124 | 67,893,742 | 24 | 818 | .038359299 |
| A | 71,005,297 | 0.9522 | 74,569,730 | 23 | 564 | .012598966 |
| A | 95,580,446 | 1.0053 | 95,076,540 | 29 | 538 | .011893835 |
| A | 124,300,864 | 0.9628 | 129,103,515 | 11 | 412 | .033910313 |
| D3 | 394,362,819 | 1.0102 | 390,380,933 | 22 | 8,662 | .013439595 |
| Random Totals: | 747,195,676 | 757,024,460 | 109 | 10,994 | ||
| Catg D1 Exception Values: | 23,391,153 | 22,842,917 | ||||
| Total Test Values (4): | 770,586,829 | 779,867,377 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 38,993,369 |
Confidence Interval Values (5)
| State Lower Limit: | 740,874,008 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 770,586,829 | (Within Confidence Interval) |
| State Upper Limit: | 818,860,746 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 877,386,153 | (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