2007 Confidence Interval Detail
020/Brazoria
020-905/Brazosport ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 469,383,213 | 1.0247 | 458,068,911 | 28 | 6,410 | .025232395 |
| A | 469,122,951 | 1.0042 | 467,160,875 | 25 | 3,929 | .006998841 |
| A | 469,275,891 | 1.0110 | 464,170,021 | 26 | 2,731 | .008038056 |
| A | 469,205,874 | 1.0151 | 462,226,258 | 27 | 1,573 | .022337595 |
| F1 | 92,113,566 | 0.9324 | 98,791,898 | 12 | 605 | .051878380 |
| F1 | 92,407,929 | 0.7755 | 119,159,161 | 9 | 171 | .296552428 |
| F1 | 91,931,228 | 0.6240 | 147,325,686 | 8 | 63 | .091180382 |
| F1 | 90,934,202 | 0.9835 | 92,459,789 | 5 | 17 | .003348775 |
| L1 | 64,408,091 | 0.9692 | 66,454,902 | 10 | 695 | .053459541 |
| L1 | 64,822,685 | 0.9761 | 66,409,881 | 7 | 155 | .010642795 |
| L1 | 65,540,986 | 0.9427 | 69,524,754 | 7 | 43 | .017823304 |
| L1 | 62,577,644 | 0.9565 | 65,423,569 | 6 | 14 | .003562934 |
| Random Totals: | 2,501,724,260 | 2,577,175,705 | 170 | 16,406 | ||
| Catg D1 Exception Values: | 2,320,150 | 2,444,142 | ||||
| Total Test Values (4): | 2,504,044,410 | 2,579,619,847 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 128,980,992 |
Confidence Interval Values (5)
| State Lower Limit: | 2,450,638,855 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,504,044,410 | (Within Confidence Interval) |
| State Upper Limit: | 2,708,600,839 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 7,051,780,124 | (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