2007 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 | 211,023,450 | 0.9134 | 231,030,709 | 83 | 3,197 | .014880807 |
| A | 210,886,200 | 0.9164 | 230,124,618 | 84 | 2,355 | .006449888 |
| A | 210,842,408 | 0.9715 | 217,027,697 | 91 | 1,790 | .004258826 |
| A | 210,879,276 | 0.9479 | 222,469,961 | 105 | 1,256 | .006174130 |
| B | 27,278,814 | 0.9655 | 28,253,562 | 13 | 295 | .017253385 |
| B | 27,118,807 | 1.0650 | 25,463,669 | 8 | 181 | .015279317 |
| B | 27,344,399 | 1.0991 | 24,878,900 | 51 | 115 | .013394748 |
| B | 26,968,057 | 0.9975 | 27,035,646 | 5 | 24 | .000045072 |
| F1 | 31,674,463 | 0.9716 | 32,600,312 | 7 | 137 | .010878644 |
| F1 | 31,939,824 | 0.9846 | 32,439,391 | 5 | 56 | .000293275 |
| F1 | 33,207,065 | 0.9798 | 33,891,677 | 5 | 20 | .028248371 |
| F1 | 29,650,826 | 1.0026 | 29,573,934 | 3 | 5 | .000620371 |
| Random Totals: | 1,078,813,589 | 1,134,790,076 | 460 | 9,431 | ||
| Catg D1 Exception Values: | 1,821,888 | 1,411,773 | ||||
| Total Test Values (4): | 1,080,635,477 | 1,136,201,849 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 56,810,092 |
Confidence Interval Values (5)
| State Lower Limit: | 1,079,391,757 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,080,635,477 | (Within Confidence Interval) |
| State Upper Limit: | 1,193,011,941 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,082,346,607 | (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