2012 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 | 32,683,050 | 1.0522 | 31,061,633 | 10 | 608 | .032629822 |
| A | 31,870,070 | 1.0271 | 31,029,179 | 10 | 337 | .003075749 |
| A | 34,195,730 | 1.0307 | 33,177,190 | 10 | 254 | .000385343 |
| A | 34,033,570 | 0.9989 | 34,071,048 | 9 | 164 | .003526219 |
| D3 | 31,558,970 | 0.9963 | 31,676,172 | 15 | 2,180 | .031273836 |
| F1 | 8,649,490 | 0.9959 | 8,685,099 | 9 | 84 | .002906956 |
| F1 | 9,584,350 | 1.0886 | 8,804,290 | 7 | 28 | .010251580 |
| F1 | 6,549,670 | 0.9518 | 6,881,351 | 4 | 6 | .006233742 |
| G1 | 10,446,398 | 0.9494 | 11,003,158 | 7 | 23 | .129760903 |
| Random Totals: | 199,571,298 | 196,389,120 | 81 | 3,684 | ||
| Catg J Exception Values: | 1,105,096 | 969,095 | ||||
| Catg D1 Exception Values: | 5,177,010 | 7,028,904 | ||||
| Catg F1 Exception Values: | 10,870,960 | 9,773,120 | ||||
| Catg G1 Exception Values: | 4,044,415 | 3,863,606 | ||||
| Total Test Values (4): | 220,768,779 | 218,023,845 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,901,192 |
Confidence Interval Values (5)
| State Lower Limit: | 207,122,653 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 220,768,779 | (Within Confidence Interval) |
| State Upper Limit: | 228,925,037 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 249,970,321 | (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