2008 Confidence Interval Detail
049/Cooke
049-906/Era ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,712,313 | 1.0311 | 4,570,180 | 8 | 113 | .017849604 |
| A | 4,974,030 | 0.9968 | 4,989,998 | 10 | 64 | .007162314 |
| A | 4,785,893 | 1.0981 | 4,358,340 | 9 | 40 | .018220789 |
| A | 5,174,738 | 1.0912 | 4,742,245 | 6 | 24 | .008586518 |
| D3 | 55,505,737 | 0.9941 | 55,835,164 | 33 | 2,291 | .065943279 |
| G1 | 8,632,480 | 0.9851 | 8,763,049 | 5 | 20 | .005760868 |
| G1 | 8,141,512 | 1.0123 | 8,042,588 | 3 | 6 | .002356364 |
| G1 | 10,233,060 | 1.1353 | 9,013,529 | 3 | 4 | .006648852 |
| Random Totals: | 102,159,763 | 100,315,093 | 77 | 2,562 | ||
| Catg D1 Exception Values: | 8,871,498 | 9,382,845 | ||||
| Catg G1 Exception Values: | 5,982,540 | 5,800,530 | ||||
| Total Test Values (4): | 117,013,801 | 115,498,468 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 5,774,923 |
Confidence Interval Values (5)
| State Lower Limit: | 109,723,545 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 117,013,801 | (Within Confidence Interval) |
| State Upper Limit: | 121,273,391 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 116,855,566 | (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