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 | 1.0032 | 6,128,429 | 16 | 368 | .006013870 |
| A | 6,135,431 | 1.0152 | 6,043,569 | 19 | 262 | .020102172 |
| A | 6,169,259 | 0.9692 | 6,365,311 | 16 | 138 | .019035814 |
| A | 6,097,193 | 1.1605 | 5,253,936 | 15 | 72 | .014634057 |
| D3 | 4,572,623 | 1.0329 | 4,426,976 | 14 | 923 | .015363849 |
| F1 | 4,355,451 | 0.7707 | 5,651,292 | 16 | 31 | .603594574 |
| Random Totals: | 33,477,997 | 33,869,513 | 96 | 1,794 | ||
| Catg J Exception Values: | 2,725,630 | 2,716,141 | ||||
| Catg D1 Exception Values: | 7,152,240 | 7,039,643 | ||||
| Total Test Values (4): | 43,355,867 | 43,625,297 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 2,181,265 |
Confidence Interval Values (5)
| State Lower Limit: | 41,444,032 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 43,355,867 | (Within Confidence Interval) |
| State Upper Limit: | 45,806,562 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 47,239,246 | (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