2009 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 | 20,267,160 | 0.9123 | 22,215,455 | 32 | 2,074 | .071966535 |
| A | 19,474,880 | 0.8850 | 22,005,514 | 24 | 522 | .032978334 |
| A | 19,530,210 | 0.9539 | 20,474,064 | 23 | 326 | .060195990 |
| A | 20,446,210 | 0.9977 | 20,493,345 | 21 | 196 | .005486437 |
| D3 | 30,738,580 | 1.0409 | 29,530,771 | 23 | 1,870 | .132040151 |
| F1 | 2,526,450 | 0.8894 | 2,840,623 | 9 | 59 | .032410359 |
| F1 | 2,476,670 | 0.6181 | 4,006,908 | 8 | 20 | .075159875 |
| F1 | 2,067,720 | 0.8321 | 2,484,942 | 5 | 9 | .171665546 |
| F1 | 2,411,680 | 0.7036 | 3,427,629 | 3 | 5 | .043190847 |
| G1 | 6,311,260 | 0.9017 | 6,999,290 | 6 | 28 | .132653322 |
| G1 | 6,307,090 | 0.9604 | 6,567,149 | 6 | 11 | .046128033 |
| G1 | 5,848,970 | 0.9304 | 6,286,511 | 3 | 6 | .009413786 |
| G1 | 5,971,510 | 1.0601 | 5,632,969 | 2 | 3 | .000004198 |
| Random Totals: | 144,378,390 | 152,965,170 | 165 | 5,129 | ||
| Catg J Exception Values: | 9,430,170 | 9,516,421 | ||||
| Catg D1 Exception Values: | 4,408,270 | 2,990,604 | ||||
| Total Test Values (4): | 158,216,830 | 165,472,195 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 8,273,610 |
Confidence Interval Values (5)
| State Lower Limit: | 157,198,585 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 158,216,830 | (Within Confidence Interval) |
| State Upper Limit: | 173,745,805 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 194,053,843 | (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