2009 Confidence Interval Detail
071/El Paso
071-909/Socorro ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,355,509,991 | 1.0634 | 1,274,694,368 | 90 | 14,552 | .013488021 |
| A | 1,323,834,741 | 1.0441 | 1,267,919,491 | 95 | 11,054 | .014382136 |
| A | 1,246,431,744 | 1.0491 | 1,188,096,220 | 96 | 8,018 | .023762317 |
| A | 1,218,979,942 | 1.0871 | 1,121,313,533 | 95 | 4,762 | .032368637 |
| F1 | 253,828,596 | 0.9566 | 265,344,549 | 13 | 462 | .066156762 |
| F1 | 219,704,602 | 0.9325 | 235,608,152 | 9 | 122 | .103170596 |
| F1 | 230,224,244 | 0.7488 | 307,457,591 | 6 | 58 | .044245892 |
| F1 | 238,466,687 | 0.9504 | 250,911,918 | 7 | 17 | .026523608 |
| L1 | 188,689,975 | 1.0359 | 182,150,763 | 7 | 471 | .003345078 |
| L1 | 210,633,730 | 0.9848 | 213,884,779 | 8 | 42 | .001243742 |
| L1 | 252,934,009 | 0.9977 | 253,517,098 | 4 | 13 | .000044655 |
| Random Totals: | 6,739,238,261 | 6,560,898,462 | 430 | 39,571 | ||
| Catg D1 Exception Values: | 2,750,090 | 2,603,497 | ||||
| Catg L1 Exception Values: | 143,937,643 | 142,840,640 | ||||
| Total Test Values (4): | 6,885,925,994 | 6,706,342,599 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 335,317,130 |
Confidence Interval Values (5)
| State Lower Limit: | 6,371,025,469 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 6,885,925,994 | (Within Confidence Interval) |
| State Upper Limit: | 7,041,659,729 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 6,937,903,007 | (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