2009 Confidence Interval Detail
071/El Paso
071-908/Tornillo ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 5,839,527 | 1.0343 | 5,645,874 | 15 | 369 | .032220123 |
| A | 7,393,719 | 0.9492 | 7,789,422 | 13 | 230 | .073171424 |
| A | 6,836,086 | 0.9529 | 7,173,980 | 16 | 122 | .024319231 |
| A | 6,508,055 | 0.9759 | 6,668,772 | 15 | 70 | .012430118 |
| D3 | 5,150,937 | 1.0160 | 5,069,820 | 12 | 931 | .003133248 |
| F1 | 3,929,236 | 1.0944 | 3,590,311 | 14 | 30 | .040892929 |
| Random Totals: | 35,657,560 | 35,938,179 | 85 | 1,752 | ||
| Catg J Exception Values: | 3,334,870 | 3,492,838 | ||||
| Catg D1 Exception Values: | 7,020,996 | 6,839,114 | ||||
| Catg F1 Exception Values: | 1,088,015 | 1,094,055 | ||||
| Total Test Values (4): | 47,101,441 | 47,364,186 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,368,209 |
Confidence Interval Values (5)
| State Lower Limit: | 44,995,977 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 47,101,441 | (Within Confidence Interval) |
| State Upper Limit: | 49,732,395 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 51,575,110 | (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