2006 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 | 3,752,986 | 0.9097 | 4,125,521 | 15 | 144 | .039202368 |
| A | 3,767,646 | 0.9502 | 3,965,108 | 15 | 83 | .027256914 |
| A | 3,779,774 | 0.9880 | 3,825,682 | 17 | 57 | .013876181 |
| A | 3,705,080 | 0.9514 | 3,894,345 | 18 | 34 | .023109422 |
| D3 | 6,550,860 | 0.9353 | 7,004,020 | 23 | 921 | .025870266 |
| Random Totals: | 21,556,346 | 22,814,676 | 88 | 1,239 | ||
| Catg J Exception Values: | 7,348,620 | 7,238,846 | ||||
| Catg D1 Exception Values: | 3,671,380 | 4,091,104 | ||||
| Total Test Values (4): | 32,576,346 | 34,144,626 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,707,231 |
Confidence Interval Values (5)
| State Lower Limit: | 32,437,395 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 32,576,346 | (Within Confidence Interval) |
| State Upper Limit: | 35,851,857 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 37,343,385 | (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