2009 Confidence Interval Detail
071/El Paso
071-902/El Paso ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,535,162,053 | 0.9908 | 2,558,702,112 | 97 | 27,954 | .007780174 |
| A | 2,474,221,359 | 0.9982 | 2,478,682,988 | 90 | 18,060 | .005425747 |
| A | 2,330,686,334 | 0.9811 | 2,375,584,888 | 98 | 11,797 | .006670550 |
| A | 2,472,369,350 | 0.9855 | 2,508,746,169 | 98 | 6,786 | .009180030 |
| B | 209,455,470 | 0.9833 | 213,012,783 | 12 | 1,945 | .010689431 |
| B | 251,662,520 | 0.5698 | 441,668,164 | 8 | 886 | .699077807 |
| B | 225,755,534 | 0.9223 | 244,774,514 | 9 | 72 | .053842842 |
| B | 295,910,575 | 1.3328 | 222,021,740 | 5 | 26 | .017653194 |
| F1 | 752,894,621 | 0.8567 | 878,831,121 | 12 | 2,306 | .161833050 |
| F1 | 749,685,535 | 0.9359 | 801,031,665 | 9 | 677 | .025437619 |
| F1 | 730,034,800 | 0.8502 | 858,662,432 | 14 | 223 | .108598002 |
| F1 | 726,998,152 | 0.9502 | 765,100,139 | 11 | 49 | .020202015 |
| L1 | 350,984,173 | 0.9853 | 356,220,616 | 8 | 3,108 | .000936639 |
| L1 | 345,940,242 | 1.0022 | 345,180,844 | 8 | 425 | .000509579 |
| L1 | 374,204,950 | 1.0026 | 373,234,540 | 6 | 92 | .000188797 |
| L1 | 236,393,921 | 1.0071 | 234,727,357 | 5 | 8 | .000220098 |
| Random Totals: | 15,062,359,589 | 15,656,182,072 | 490 | 74,414 | ||
| Catg D1 Exception Values: | 176,285 | 166,701 | ||||
| Total Test Values (4): | 15,062,535,874 | 15,656,348,773 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 782,817,439 |
Confidence Interval Values (5)
| State Lower Limit: | 14,873,531,334 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 15,062,535,874 | (Within Confidence Interval) |
| State Upper Limit: | 16,439,166,212 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 14,451,251,785 | (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
