2007 Confidence Interval Detail
060/Delta
060-902/Cooper ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 12,882,886 | 0.9161 | 14,062,751 | 15 | 544 | .062588111 |
| A | 12,895,439 | 0.8861 | 14,553,029 | 16 | 292 | .028229654 |
| A | 12,924,474 | 0.9206 | 14,039,185 | 15 | 183 | .011981989 |
| A | 12,783,048 | 0.9851 | 12,976,396 | 15 | 104 | .003958035 |
| D3 | 45,682,509 | 0.8787 | 51,988,744 | 27 | 3,515 | .076597246 |
| Random Totals: | 97,168,356 | 107,620,105 | 88 | 4,638 | ||
| Catg J Exception Values: | 8,826,882 | 8,837,664 | ||||
| Catg D1 Exception Values: | 14,275,462 | 13,468,734 | ||||
| Total Test Values (4): | 120,270,700 | 129,926,503 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 6,496,325 |
Confidence Interval Values (5)
| Local Test Value: | 120,270,700 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 123,430,178 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 136,422,828 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 142,319,614 | (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