2008 Confidence Interval Detail
049/Cooke
049-909/Sivells Bend ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 11,508,446 | 0.9011 | 12,771,553 | 16 | 109 | .034360870 |
| A | 10,289,586 | 0.9337 | 11,020,227 | 16 | 54 | .005865006 |
| A | 14,096,993 | 0.9012 | 15,642,469 | 15 | 55 | .008296107 |
| A | 18,260,382 | 0.9651 | 18,920,715 | 12 | 47 | .016291882 |
| D3 | 9,397,110 | 1.0189 | 9,222,799 | 25 | 593 | .025748569 |
| G1 | 6,308,780 | 1.0623 | 5,938,793 | 10 | 12 | .014580264 |
| Random Totals: | 69,861,297 | 73,516,556 | 94 | 870 | ||
| Catg D1 Exception Values: | 3,433,078 | 3,480,650 | ||||
| Catg G1 Exception Values: | 32,642,485 | 33,150,223 | ||||
| Total Test Values (4): | 105,936,860 | 110,147,429 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 5,507,371 |
Confidence Interval Values (5)
| State Lower Limit: | 104,640,058 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 105,936,860 | (Within Confidence Interval) |
| State Upper Limit: | 115,654,800 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 108,908,653 | (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