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 | 0.8146 | 5,479,057 | 16 | 143 | .041210366 |
| A | 4,739,020 | 0.9124 | 5,194,016 | 16 | 88 | .052074217 |
| A | 4,493,560 | 0.9153 | 4,909,385 | 17 | 56 | .033000453 |
| A | 4,512,330 | 0.9974 | 4,524,093 | 18 | 32 | .028612299 |
| D3 | 8,148,760 | 0.8963 | 9,091,554 | 22 | 929 | .076408373 |
| Random Totals: | 26,356,910 | 29,198,105 | 89 | 1,248 | ||
| Catg J Exception Values: | 6,004,268 | 5,840,827 | ||||
| Catg D1 Exception Values: | 3,701,113 | 4,160,211 | ||||
| Total Test Values (4): | 36,062,291 | 39,199,143 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,959,957 |
Confidence Interval Values (5)
| Local Test Value: | 36,062,291 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 37,239,186 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 41,159,100 | (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