2009 Confidence Interval Detail
058/Dawson
153-903/O'Donnell ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 2,223,460 | 0.9652 | 2,303,626 | 10 | 431 | .001411869 |
| G1 | 6,142,350 | 1.1018 | 5,574,832 | 4 | 10 | .017504288 |
| Random Totals: | 8,365,810 | 7,878,458 | 14 | 441 | ||
| Catg D1 Exception Values: | 10,480,260 | 13,451,692 | ||||
| Catg G1 Exception Values: | 25,662,330 | 25,257,160 | ||||
| Total Test Values (4): | 44,508,400 | 46,587,310 |
Margin of Error
| Margin of Error Percent: | 5.0000011 |
|---|---|
| Margin of Error Value: | 2,329,366 |
Confidence Interval Values (5)
| State Lower Limit: | 44,257,944 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 44,508,400 | (Within Confidence Interval) |
| State Upper Limit: | 48,916,676 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 48,062,140 | (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