2007 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 | 1,179,202,148 | 1.0084 | 1,169,379,361 | 21 | 11,935 | .014883513 |
| A | 1,179,023,319 | 1.0328 | 1,141,579,511 | 91 | 9,614 | .007332109 |
| A | 1,178,897,205 | 1.0412 | 1,132,248,564 | 139 | 7,448 | .006993384 |
| A | 1,178,908,005 | 1.0310 | 1,143,460,723 | 149 | 4,463 | .014593330 |
| F1 | 177,876,386 | 0.8464 | 210,156,411 | 9 | 359 | .088291377 |
| F1 | 178,381,250 | 0.9614 | 185,543,218 | 7 | 101 | .009996494 |
| F1 | 178,693,017 | 0.8997 | 198,614,001 | 11 | 47 | .018517545 |
| F1 | 175,381,385 | 0.9502 | 184,573,127 | 5 | 23 | .002975179 |
| L1 | 143,182,597 | 1.0080 | 142,046,227 | 7 | 442 | .006721016 |
| L1 | 150,023,554 | 1.0342 | 145,062,419 | 7 | 42 | .008089754 |
| L1 | 162,400,566 | 0.9897 | 164,090,700 | 5 | 11 | .001723570 |
| Random Totals: | 5,881,969,432 | 5,816,754,262 | 451 | 34,485 | ||
| Catg D1 Exception Values: | 2,923,902 | 2,839,868 | ||||
| Catg L1 Exception Values: | 133,549,085 | 133,711,279 | ||||
| Total Test Values (4): | 6,018,442,419 | 5,953,305,409 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 297,665,270 |
Confidence Interval Values (5)
| State Lower Limit: | 5,655,640,139 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 6,018,442,419 | (Within Confidence Interval) |
| State Upper Limit: | 6,250,970,679 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 5,852,365,910 | (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