2010 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 | 477,793,724 | 0.9030 | 529,118,188 | 34 | 6,559 | .034017849 |
| A | 472,445,426 | 0.9595 | 492,387,104 | 34 | 3,942 | .005513527 |
| A | 492,518,531 | 0.9606 | 512,719,687 | 29 | 3,005 | .003954635 |
| A | 512,531,717 | 0.9915 | 516,925,584 | 32 | 1,888 | .005264325 |
| F1 | 110,705,467 | 0.9837 | 112,539,867 | 13 | 619 | .021304236 |
| F1 | 97,094,145 | 0.9728 | 99,808,948 | 10 | 161 | .013929723 |
| F1 | 111,149,589 | 0.9430 | 117,868,069 | 11 | 68 | .036283723 |
| F1 | 76,648,878 | 1.0421 | 73,552,325 | 7 | 15 | .010182156 |
| L1 | 63,456,430 | 1.0621 | 59,746,192 | 10 | 610 | .013101372 |
| L1 | 65,179,760 | 0.9458 | 68,914,950 | 9 | 128 | .015862927 |
| L1 | 59,029,670 | 0.9826 | 60,074,975 | 8 | 37 | .000905370 |
| L1 | 66,789,190 | 0.9515 | 70,193,579 | 6 | 14 | .002406491 |
| Random Totals: | 2,605,342,527 | 2,713,849,468 | 203 | 17,046 | ||
| Catg J Exception Values: | 77,079,862 | 69,571,294 | ||||
| Catg D1 Exception Values: | 2,270,789 | 2,290,643 | ||||
| Total Test Values (4): | 2,684,693,178 | 2,785,711,405 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 139,285,570 |
Confidence Interval Values (5)
| State Lower Limit: | 2,646,425,835 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,684,693,178 | (Within Confidence Interval) |
| State Upper Limit: | 2,924,996,975 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 6,416,589,280 | (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