2007 Confidence Interval Detail
210/Shelby
210-905/Timpson ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,703,423 | 0.7830 | 9,838,344 | 8 | 287 | .139215351 |
| A | 7,742,850 | 0.9671 | 8,006,256 | 8 | 155 | .047299158 |
| A | 7,642,908 | 1.1218 | 6,813,075 | 7 | 98 | .013812045 |
| A | 7,685,288 | 1.0742 | 7,154,429 | 7 | 56 | .025373756 |
| D3 | 42,759,420 | 0.9224 | 46,356,700 | 20 | 3,721 | .115446226 |
| G1 | 13,263,910 | 0.9983 | 13,286,497 | 6 | 27 | .005335451 |
| G1 | 12,735,770 | 1.0443 | 12,195,509 | 4 | 10 | .001140949 |
| G1 | 14,325,160 | 1.0276 | 13,940,405 | 4 | 7 | .005332872 |
| Random Totals: | 113,858,729 | 117,591,215 | 64 | 4,361 | ||
| Catg J Exception Values: | 6,034,733 | 6,003,920 | ||||
| Catg D1 Exception Values: | 14,157,335 | 13,316,207 | ||||
| Catg G1 Exception Values: | 11,146,540 | 10,965,039 | ||||
| Total Test Values (4): | 145,197,337 | 147,876,381 |
Margin of Error
| Margin of Error Percent: | 5.2099889 |
|---|---|
| Margin of Error Value: | 7,704,343 |
Confidence Interval Values (5)
| State Lower Limit: | 140,172,038 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 145,197,337 | (Within Confidence Interval) |
| State Upper Limit: | 155,580,724 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 147,914,524 | (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