2006 Confidence Interval Detail
026/Burleson
026-902/Somerville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 13,412,621 | 1.0654 | 12,589,282 | 18 | 714 | .036785292 |
| A | 13,370,474 | 0.9793 | 13,653,093 | 17 | 368 | .034940494 |
| A | 13,434,451 | 0.8814 | 15,242,173 | 16 | 245 | .035363351 |
| A | 13,336,305 | 0.9105 | 14,647,232 | 21 | 152 | .004764677 |
| C | 2,788,812 | 1.3105 | 2,128,052 | 7 | 1,446 | .141868916 |
| C | 3,052,618 | 1.1311 | 2,698,805 | 8 | 1,108 | .120470485 |
| C | 2,467,556 | 2.3818 | 1,036,005 | 7 | 702 | .122290490 |
| C | 2,767,577 | 1.0229 | 2,705,618 | 7 | 227 | .146483227 |
| D3 | 34,897,780 | 1.0770 | 32,402,767 | 26 | 2,005 | .025139899 |
| G1 | 8,416,912 | 0.9719 | 8,660,265 | 7 | 37 | .024756827 |
| G1 | 8,089,500 | 0.9623 | 8,406,422 | 5 | 12 | .064423654 |
| G1 | 9,848,665 | 1.0301 | 9,560,882 | 3 | 6 | .006009681 |
| Random Totals: | 125,883,271 | 123,730,596 | 142 | 7,022 | ||
| Catg J Exception Values: | 7,935,440 | 7,795,997 | ||||
| Catg D1 Exception Values: | 3,103,720 | 2,516,067 | ||||
| Catg G1 Exception Values: | 6,446,658 | 6,557,771 | ||||
| Total Test Values (4): | 143,369,089 | 140,600,431 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 7,030,022 |
Confidence Interval Values (5)
| State Lower Limit: | 133,570,409 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 143,369,089 | (Within Confidence Interval) |
| State Upper Limit: | 147,630,453 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 177,911,827 | (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