2007 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 | 4,462,952 | 0.8160 | 5,469,304 | 16 | 142 | .087070816 |
| A | 4,481,181 | 0.9656 | 4,640,825 | 17 | 82 | .063770271 |
| A | 4,482,663 | 1.0779 | 4,158,700 | 15 | 57 | .041622322 |
| A | 4,385,161 | 1.0669 | 4,110,189 | 19 | 35 | .027275615 |
| D3 | 7,861,660 | 0.9829 | 7,998,433 | 20 | 908 | .028849297 |
| Random Totals: | 25,673,617 | 26,377,451 | 87 | 1,224 | ||
| Catg J Exception Values: | 5,748,050 | 4,503,017 | ||||
| Catg D1 Exception Values: | 3,714,480 | 4,025,163 | ||||
| Total Test Values (4): | 35,136,147 | 34,905,631 |
Margin of Error
| Margin of Error Percent: | 5.0000013 |
|---|---|
| Margin of Error Value: | 1,745,282 |
Confidence Interval Values (5)
| State Lower Limit: | 33,160,349 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 35,136,147 | (Within Confidence Interval) |
| State Upper Limit: | 36,650,913 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 41,268,967 | (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