2010 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 | 29,059,280 | 0.9871 | 29,439,044 | 10 | 583 | .028433221 |
| A | 28,960,170 | 0.9594 | 30,185,710 | 10 | 331 | .032160653 |
| A | 34,642,500 | 0.9062 | 38,228,316 | 10 | 276 | .009679599 |
| A | 40,182,230 | 0.9616 | 41,786,845 | 9 | 209 | .007262143 |
| D3 | 31,768,500 | 0.9654 | 32,907,085 | 15 | 2,120 | .028392210 |
| F1 | 8,666,100 | 1.0333 | 8,386,819 | 10 | 93 | .005646977 |
| F1 | 7,951,000 | 0.9597 | 8,284,881 | 7 | 25 | .013922107 |
| F1 | 6,691,030 | 1.0533 | 6,352,445 | 2 | 3 | .000002409 |
| G1 | 19,767,018 | 0.9683 | 20,414,146 | 20 | 34 | .006572961 |
| Random Totals: | 207,687,828 | 215,985,291 | 93 | 3,674 | ||
| Catg J Exception Values: | 5,829,097 | 6,024,158 | ||||
| Catg D1 Exception Values: | 7,192,780 | 8,788,232 | ||||
| Catg F1 Exception Values: | 9,592,210 | 9,935,499 | ||||
| Total Test Values (4): | 230,301,915 | 240,733,180 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 12,036,659 |
Confidence Interval Values (5)
| State Lower Limit: | 228,696,521 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 230,301,915 | (Within Confidence Interval) |
| State Upper Limit: | 252,769,839 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 249,672,372 | (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