2006 Confidence Interval Detail
050/Coryell
050-910/Copperas Cove ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 189,371,291 | 0.9548 | 198,336,082 | 42 | 3,216 | .016332553 |
| A | 189,322,733 | 0.9415 | 201,086,280 | 37 | 2,366 | .006647500 |
| A | 189,347,057 | 0.9382 | 201,819,502 | 80 | 1,801 | .005440622 |
| A | 189,265,856 | 0.9485 | 199,542,284 | 46 | 1,262 | .007298081 |
| B | 21,781,369 | 0.9254 | 23,537,248 | 15 | 302 | .030164705 |
| B | 21,736,743 | 0.9969 | 21,804,336 | 23 | 184 | .021537551 |
| B | 21,633,455 | 1.0484 | 20,634,734 | 10 | 113 | .019515057 |
| B | 21,681,759 | 0.9789 | 22,149,105 | 5 | 23 | .000960311 |
| F1 | 27,609,498 | 0.9532 | 28,965,063 | 7 | 160 | .008124161 |
| F1 | 27,932,305 | 1.0008 | 27,909,977 | 6 | 65 | .005922297 |
| F1 | 28,050,612 | 0.9771 | 28,708,026 | 5 | 22 | .002712484 |
| F1 | 26,150,599 | 0.9993 | 26,168,917 | 3 | 6 | .000370294 |
| Random Totals: | 953,883,277 | 1,000,661,554 | 279 | 9,520 | ||
| Catg D1 Exception Values: | 1,810,323 | 1,424,904 | ||||
| Total Test Values (4): | 955,693,600 | 1,002,086,458 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 50,104,323 |
Confidence Interval Values (5)
| State Lower Limit: | 951,982,135 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 955,693,600 | (Within Confidence Interval) |
| State Upper Limit: | 1,052,190,781 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 945,606,915 | (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