2008 Confidence Interval Detail
079/Fort Bend
079-910/Stafford MSD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 86,110,250 | 0.9376 | 91,841,137 | 15 | 787 | .002944480 |
| A | 116,182,288 | 0.9701 | 119,763,208 | 11 | 835 | .002747285 |
| A | 102,607,390 | 0.9855 | 104,117,088 | 13 | 603 | .004302329 |
| A | 155,208,200 | 0.9574 | 162,114,268 | 39 | 721 | .001775340 |
| B | 154,686,960 | 0.9555 | 161,891,115 | 8 | 26 | .004079253 |
| F1 | 148,758,760 | 0.8810 | 168,852,168 | 8 | 235 | .045267031 |
| F1 | 141,235,090 | 0.7920 | 178,327,134 | 8 | 76 | .105516838 |
| F1 | 137,427,380 | 1.0102 | 136,039,774 | 6 | 35 | .000748288 |
| F1 | 263,361,960 | 1.0203 | 258,122,082 | 4 | 21 | .004828747 |
| L1 | 59,206,775 | 1.0384 | 57,017,310 | 8 | 408 | .026201670 |
| L1 | 72,578,530 | 1.0349 | 70,130,960 | 7 | 99 | .009808997 |
| L1 | 99,932,130 | 1.0645 | 93,877,060 | 7 | 37 | .060870692 |
| L1 | 75,285,310 | 1.0000 | 75,285,310 | 4 | 9 | |
| Random Totals: | 1,612,581,023 | 1,677,378,614 | 138 | 3,892 | ||
| Catg D1 Exception Values: | 53,180 | 58,381 | ||||
| Total Test Values (4): | 1,612,634,203 | 1,677,436,995 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 83,871,850 |
Confidence Interval Values (5)
| State Lower Limit: | 1,593,565,145 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,612,634,203 | (Within Confidence Interval) |
| State Upper Limit: | 1,761,308,845 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,095,246,155 | (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