2008 Confidence Interval Detail
020/Brazoria
020-910/Damon ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,463,240 | 0.8661 | 5,153,262 | 16 | 143 | .032548829 |
| A | 4,739,020 | 0.9893 | 4,790,276 | 16 | 88 | .035566090 |
| A | 4,493,560 | 0.9874 | 4,550,901 | 17 | 56 | .013083742 |
| A | 4,512,330 | 1.0090 | 4,472,081 | 18 | 32 | .025458784 |
| D3 | 8,148,760 | 0.9751 | 8,356,845 | 22 | 929 | .033313855 |
| Random Totals: | 26,356,910 | 27,323,365 | 89 | 1,248 | ||
| Catg J Exception Values: | 6,004,268 | 5,855,105 | ||||
| Catg D1 Exception Values: | 3,701,113 | 4,160,211 | ||||
| Total Test Values (4): | 36,062,291 | 37,338,681 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,866,934 |
Confidence Interval Values (5)
| State Lower Limit: | 35,471,747 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 36,062,291 | (Within Confidence Interval) |
| State Upper Limit: | 39,205,615 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 40,936,386 | (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