2006 Confidence Interval Detail
020/Brazoria
020-906/Sweeny ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 64,742,176 | 1.0086 | 64,190,141 | 13 | 1,225 | .011601981 |
| A | 64,750,047 | 0.9625 | 67,272,776 | 27 | 721 | .010607903 |
| A | 64,720,360 | 0.9912 | 65,294,956 | 15 | 507 | .001744790 |
| A | 64,578,684 | 1.0027 | 64,404,791 | 14 | 310 | .014236732 |
| D3 | 44,888,730 | 0.8553 | 52,483,024 | 10 | 2,329 | .004907335 |
| G1 | 75,847,336 | 0.9906 | 76,567,066 | 15 | 28 | .001365572 |
| Random Totals: | 379,527,333 | 390,212,754 | 94 | 5,120 | ||
| Catg J Exception Values: | 12,624,754 | 13,135,217 | ||||
| Catg D1 Exception Values: | 3,528,820 | 3,889,219 | ||||
| Catg G1 Exception Values: | 86,914,631 | 97,940,585 | ||||
| Total Test Values (4): | 482,595,538 | 505,177,775 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 25,258,889 |
Confidence Interval Values (5)
| State Lower Limit: | 479,918,886 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 482,595,538 | (Within Confidence Interval) |
| State Upper Limit: | 530,436,664 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,566,797,791 | (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