2007 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 | 6,148,040 | 0.8688 | 7,076,473 | 16 | 368 | .032204233 |
| A | 6,135,431 | 0.7739 | 7,927,938 | 19 | 262 | .086700403 |
| A | 6,169,259 | 0.6473 | 9,530,757 | 16 | 138 | .023269018 |
| A | 6,097,193 | 0.8621 | 7,072,489 | 15 | 72 | .030750587 |
| D3 | 4,572,623 | 0.9269 | 4,933,243 | 14 | 923 | .037904232 |
| F1 | 4,355,451 | 0.7597 | 5,733,120 | 16 | 31 | .637194857 |
| Random Totals: | 33,477,997 | 42,274,020 | 96 | 1,794 | ||
| Catg J Exception Values: | 2,725,630 | 2,729,459 | ||||
| Catg D1 Exception Values: | 7,152,240 | 7,039,030 | ||||
| Total Test Values (4): | 43,355,867 | 52,042,509 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,602,125 |
Confidence Interval Values (5)
| Local Test Value: | 43,355,867 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 49,440,384 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 54,644,634 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 55,192,925 | (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