2008 Confidence Interval Detail
065/Donley
065-902/Hedley ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 812,405 | 0.9640 | 842,744 | 6 | 77 | .007156924 |
| A | 914,373 | 0.9431 | 969,540 | 6 | 45 | .020092361 |
| A | 945,397 | 0.9602 | 984,583 | 5 | 21 | .000941749 |
| A | 831,847 | 1.0026 | 829,690 | 4 | 11 | .007807278 |
| D3 | 7,247,959 | 0.9651 | 7,510,060 | 18 | 810 | .092073416 |
| Random Totals: | 10,751,981 | 11,136,617 | 39 | 964 | ||
| Catg J Exception Values: | 6,210,817 | 6,240,498 | ||||
| Catg D1 Exception Values: | 7,966,214 | 7,744,535 | ||||
| Total Test Values (4): | 24,929,012 | 25,121,650 |
Margin of Error
| Margin of Error Percent: | 5.0000020 |
|---|---|
| Margin of Error Value: | 1,256,083 |
Confidence Interval Values (5)
| State Lower Limit: | 23,865,567 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 24,929,012 | (Within Confidence Interval) |
| State Upper Limit: | 26,377,733 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 28,708,369 | (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