2010 Confidence Interval Detail
227/Travis
011-902/Elgin ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 47,847,659 | 0.9464 | 50,557,543 | 12 | 477 | .006047497 |
| A | 27,280,725 | 1.0091 | 27,034,709 | 11 | 221 | .003812257 |
| A | 22,018,908 | 0.9740 | 22,606,682 | 11 | 150 | .002196128 |
| A | 21,170,429 | 1.0036 | 21,094,489 | 11 | 90 | .009920411 |
| D3 | 25,420,348 | 0.9714 | 26,168,775 | 15 | 853 | .006566756 |
| Random Totals: | 143,738,069 | 147,462,198 | 60 | 1,791 | ||
| Catg J Exception Values: | 2,598,828 | 2,882,512 | ||||
| Catg D1 Exception Values: | 5,014,753 | 6,705,475 | ||||
| Total Test Values (4): | 151,351,650 | 157,050,185 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 7,852,509 |
Confidence Interval Values (5)
| State Lower Limit: | 149,197,676 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 151,351,650 | (Within Confidence Interval) |
| State Upper Limit: | 164,902,694 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 168,300,393 | (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