2009 Confidence Interval Detail
069/Edwards
069-901/Rocksprings ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,100,004 | 0.9857 | 4,159,485 | 10 | 223 | .181009244 |
| A | 4,147,964 | 0.9334 | 4,443,930 | 11 | 124 | .062579948 |
| A | 3,776,290 | 0.8492 | 4,446,879 | 8 | 73 | .011903252 |
| A | 4,041,483 | 0.9654 | 4,186,330 | 10 | 49 | .035039074 |
| D3 | 99,244,096 | 1.0149 | 97,787,069 | 70 | 6,338 | .445717631 |
| G1 | 29,890,160 | 1.0229 | 29,220,999 | 14 | 176 | .027517712 |
| G1 | 30,311,540 | 1.0084 | 30,059,044 | 12 | 67 | .008203317 |
| G1 | 29,493,300 | 1.0365 | 28,454,703 | 10 | 29 | .006746010 |
| G1 | 29,681,430 | 0.9736 | 30,486,267 | 7 | 14 | .002222068 |
| Random Totals: | 234,686,267 | 233,244,706 | 152 | 7,093 | ||
| Catg J Exception Values: | 14,566,671 | 12,326,489 | ||||
| Catg D1 Exception Values: | 32,562,053 | 37,923,798 | ||||
| Total Test Values (4): | 281,814,991 | 283,494,993 |
Margin of Error
| Margin of Error Percent: | 5.4980537 |
|---|---|
| Margin of Error Value: | 15,586,707 |
Confidence Interval Values (5)
| State Lower Limit: | 267,908,286 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 281,814,991 | (Within Confidence Interval) |
| State Upper Limit: | 299,081,700 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 320,143,793 | (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