2009 Confidence Interval Detail
036/Chambers
036-903/East Chambers ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 32,795,970 | 0.9868 | 33,234,668 | 7 | 631 | .011269733 |
| A | 29,398,110 | 0.9121 | 32,231,236 | 7 | 317 | .023704676 |
| A | 28,822,280 | 0.9811 | 29,377,515 | 7 | 219 | .002801162 |
| A | 25,715,780 | 1.0104 | 25,451,089 | 7 | 129 | .007323951 |
| D3 | 30,350,220 | 1.0761 | 28,203,903 | 10 | 2,159 | .018712323 |
| F1 | 6,955,260 | 1.0269 | 6,773,065 | 6 | 76 | .002818952 |
| F1 | 8,950,210 | 0.9908 | 9,033,317 | 6 | 29 | .013528562 |
| F1 | 7,444,850 | 0.9878 | 7,536,799 | 4 | 8 | .017609859 |
| F1 | 8,356,400 | 1.0744 | 7,777,736 | 2 | 4 | .059909921 |
| G1 | 28,871,404 | 1.3545 | 21,315,175 | 14 | 38 | .809522070 |
| Random Totals: | 207,660,484 | 200,934,503 | 70 | 3,610 | ||
| Catg J Exception Values: | 5,395,050 | 5,997,394 | ||||
| Catg D1 Exception Values: | 7,205,480 | 8,702,988 | ||||
| Total Test Values (4): | 220,261,014 | 215,634,885 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,781,744 |
Confidence Interval Values (5)
| State Lower Limit: | 204,853,141 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 220,261,014 | (Within Confidence Interval) |
| State Upper Limit: | 226,416,629 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 236,107,559 | (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