2006 Confidence Interval Detail
031/Cameron
031-901/Brownsville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 685,680,626 | 0.9356 | 732,877,967 | 39 | 15,248 | .056060102 |
| A | 685,524,846 | 0.9878 | 693,991,543 | 62 | 9,058 | .017557494 |
| A | 685,650,085 | 0.9758 | 702,654,320 | 56 | 6,362 | .038940555 |
| A | 685,498,047 | 0.9917 | 691,235,300 | 68 | 3,429 | .016808366 |
| C | 64,986,212 | 1.0691 | 60,785,906 | 9 | 4,488 | .021030428 |
| C | 65,009,443 | 0.9516 | 68,315,934 | 8 | 1,750 | .009380660 |
| C | 65,184,818 | 0.9992 | 65,237,008 | 8 | 503 | .008077204 |
| C | 64,707,416 | 0.9488 | 68,199,216 | 7 | 106 | .011071755 |
| F1 | 238,505,599 | 0.9246 | 257,955,439 | 10 | 1,129 | .035535127 |
| F1 | 238,740,125 | 0.9470 | 252,101,505 | 7 | 352 | .013329865 |
| F1 | 238,641,055 | 0.9354 | 255,121,932 | 7 | 125 | .022616945 |
| F1 | 238,099,105 | 0.9616 | 247,607,222 | 6 | 33 | .005314404 |
| L1 | 84,923,815 | 0.9670 | 87,821,939 | 7 | 1,200 | .022931823 |
| L1 | 84,790,311 | 1.0164 | 83,422,187 | 8 | 276 | .016966855 |
| L1 | 87,325,239 | 0.9446 | 92,446,791 | 6 | 87 | .005507335 |
| L1 | 82,095,881 | 1.0214 | 80,375,838 | 6 | 16 | .002341188 |
| Random Totals: | 4,295,362,623 | 4,440,150,047 | 314 | 44,162 | ||
| Catg D1 Exception Values: | 4,993,048 | 4,936,748 | ||||
| Total Test Values (4): | 4,300,355,671 | 4,445,086,795 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 222,254,340 |
Confidence Interval Values (5)
| State Lower Limit: | 4,222,832,455 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 4,300,355,671 | (Within Confidence Interval) |
| State Upper Limit: | 4,667,341,135 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 4,401,608,383 | (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