2008 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 | 194,335,523 | 0.9655 | 201,279,672 | 55 | 3,033 | .012062877 |
| A | 225,606,690 | 0.9909 | 227,678,565 | 58 | 2,568 | .003741600 |
| A | 209,678,840 | 0.9698 | 216,208,332 | 57 | 1,792 | .004787226 |
| A | 255,578,610 | 0.9736 | 262,508,843 | 58 | 1,516 | .006374325 |
| B | 26,646,640 | 0.9961 | 26,750,969 | 8 | 309 | .002985673 |
| B | 32,244,330 | 1.0441 | 30,882,415 | 14 | 217 | .000528867 |
| B | 31,408,480 | 1.0558 | 29,748,513 | 18 | 144 | .004996851 |
| B | 26,562,830 | 0.9900 | 26,831,141 | 6 | 25 | .000292301 |
| F1 | 33,022,338 | 0.9894 | 33,376,125 | 7 | 140 | .002644319 |
| F1 | 35,489,007 | 1.0256 | 34,603,166 | 7 | 61 | .007497806 |
| F1 | 35,279,737 | 0.9476 | 37,230,622 | 5 | 21 | .013183563 |
| F1 | 37,837,210 | 0.9985 | 37,894,051 | 3 | 8 | .001042236 |
| Random Totals: | 1,143,690,235 | 1,164,992,414 | 296 | 9,834 | ||
| Catg D1 Exception Values: | 1,582,600 | 1,261,928 | ||||
| Total Test Values (4): | 1,145,272,835 | 1,166,254,342 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 58,312,717 |
Confidence Interval Values (5)
| State Lower Limit: | 1,107,941,625 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,145,272,835 | (Within Confidence Interval) |
| State Upper Limit: | 1,224,567,059 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,122,658,240 | (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