2009 Confidence Interval Detail
044/Collingsworth
044-904/Samnorwood ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 3,806,460 | 0.9391 | 4,053,306 | 20 | 987 | .006998144 |
| G1 | 3,289,720 | 0.9368 | 3,511,657 | 7 | 77 | .006869226 |
| G1 | 3,261,320 | 1.0492 | 3,108,387 | 7 | 39 | .017603012 |
| G1 | 3,395,540 | 1.0190 | 3,332,228 | 6 | 28 | .004090524 |
| G1 | 3,145,900 | 0.9910 | 3,174,470 | 5 | 17 | .005508352 |
| Random Totals: | 16,898,940 | 17,180,048 | 45 | 1,148 | ||
| Catg J Exception Values: | 1,317,672 | 1,305,611 | ||||
| Catg D1 Exception Values: | 15,358,500 | 15,467,625 | ||||
| Total Test Values (4): | 33,575,112 | 33,953,284 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,697,664 |
Confidence Interval Values (5)
| State Lower Limit: | 32,255,620 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 33,575,112 | (Within Confidence Interval) |
| State Upper Limit: | 35,650,948 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 39,200,485 | (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