2006 Confidence Interval Detail
079/Fort Bend
079-907/Fort Bend ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,636,187,437 | 0.9689 | 3,752,902,711 | 49 | 30,421 | .006558142 |
| A | 3,635,638,091 | 0.9784 | 3,715,901,565 | 50 | 21,780 | .003602222 |
| A | 3,635,782,531 | 0.9894 | 3,674,734,719 | 50 | 15,440 | .004131482 |
| A | 3,635,804,861 | 0.9513 | 3,821,932,998 | 50 | 8,464 | .005641141 |
| B | 74,785,523 | 1.0420 | 71,771,135 | 14 | 270 | .007920407 |
| B | 74,029,577 | 0.9302 | 79,584,581 | 4 | 7 | .016034370 |
| B | 77,357,374 | 1.0293 | 75,155,323 | 2 | 5 | .003068027 |
| B | 64,536,594 | 0.9192 | 70,209,523 | 2 | 3 | .032838791 |
| C | 89,453,422 | 0.7655 | 116,856,201 | 7 | 1,330 | .006765676 |
| C | 89,498,221 | 0.9645 | 92,792,349 | 8 | 274 | .005069660 |
| C | 89,639,768 | 1.0138 | 88,419,578 | 7 | 99 | .000925530 |
| C | 88,569,620 | 0.9615 | 92,116,089 | 7 | 35 | .007201119 |
| F1 | 466,331,360 | 0.9504 | 490,668,519 | 8 | 520 | .018680216 |
| F1 | 467,834,126 | 1.0270 | 455,534,689 | 8 | 169 | .003546297 |
| F1 | 473,209,967 | 1.0022 | 472,171,190 | 7 | 62 | .016226271 |
| F1 | 456,167,068 | 0.9970 | 457,539,687 | 5 | 16 | .000513101 |
| L1 | 148,657,091 | 1.0672 | 139,296,375 | 7 | 1,125 | .018227580 |
| L1 | 147,469,051 | 1.0448 | 141,145,723 | 7 | 177 | .002173888 |
| L1 | 150,317,951 | 0.9700 | 154,966,960 | 6 | 58 | .002321836 |
| L1 | 145,775,240 | 1.0039 | 145,208,925 | 5 | 20 | .003511347 |
| Random Totals: | 17,647,044,873 | 18,108,908,840 | 303 | 80,275 | ||
| Catg D1 Exception Values: | 5,912,540 | 6,078,185 | ||||
| Total Test Values (4): | 17,652,957,413 | 18,114,987,025 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 905,749,351 |
Confidence Interval Values (5)
| State Lower Limit: | 17,209,237,674 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 17,652,957,413 | (Within Confidence Interval) |
| State Upper Limit: | 19,020,736,376 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 18,359,516,360 | (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