2008 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 | 3,934,289,803 | 0.9763 | 4,029,795,967 | 50 | 33,487 | .007205108 |
| A | 4,036,306,065 | 0.9493 | 4,251,876,188 | 52 | 24,571 | .003043735 |
| A | 4,228,233,306 | 0.9457 | 4,471,009,100 | 48 | 17,794 | .005694362 |
| A | 5,131,246,145 | 0.9424 | 5,444,870,697 | 50 | 11,614 | .004514809 |
| B | 91,074,815 | 1.0530 | 86,490,802 | 8 | 298 | .020679859 |
| B | 106,726,950 | 1.0392 | 102,701,068 | 4 | 8 | .006538275 |
| B | 87,028,980 | 0.9968 | 87,308,367 | 3 | 5 | .003580552 |
| B | 149,462,350 | 0.8932 | 167,333,576 | 2 | 6 | .020944246 |
| C | 105,977,570 | 0.9776 | 108,405,861 | 19 | 1,673 | .003824589 |
| C | 121,747,650 | 0.9518 | 127,913,059 | 16 | 314 | .001873967 |
| C | 132,456,370 | 0.9746 | 135,908,444 | 7 | 122 | .005622688 |
| C | 139,746,650 | 0.8415 | 166,068,509 | 6 | 45 | .015548420 |
| F1 | 520,677,250 | 0.8971 | 580,400,457 | 16 | 628 | .070514984 |
| F1 | 606,396,130 | 0.9984 | 607,367,919 | 9 | 268 | .017086619 |
| F1 | 740,501,290 | 0.7106 | 1,042,078,933 | 7 | 127 | .201465171 |
| F1 | 801,865,290 | 0.9166 | 874,825,758 | 8 | 38 | .009590711 |
| L1 | 161,362,619 | 0.9818 | 164,353,859 | 7 | 1,952 | .002627795 |
| L1 | 146,864,080 | 0.9731 | 150,923,934 | 7 | 338 | .017999025 |
| L1 | 187,890,497 | 0.9793 | 191,862,041 | 8 | 128 | .002499484 |
| L1 | 178,349,026 | 1.2205 | 146,127,838 | 6 | 34 | .066161594 |
| Random Totals: | 21,608,202,836 | 22,937,622,377 | 333 | 93,450 | ||
| Catg D1 Exception Values: | 5,441,520 | 5,672,992 | ||||
| Total Test Values (4): | 21,613,644,356 | 22,943,295,369 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,147,164,768 |
Confidence Interval Values (5)
| Local Test Value: | 21,613,644,356 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 21,796,130,601 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 24,090,460,137 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 22,699,614,532 | (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