2007 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 | 108,474,208 | 0.9736 | 111,415,579 | 19 | 976 | .002149671 |
| A | 108,396,575 | 0.9681 | 111,968,366 | 31 | 768 | .003895178 |
| A | 108,607,590 | 0.9853 | 110,227,941 | 27 | 629 | .001991378 |
| A | 108,259,652 | 0.9631 | 112,407,488 | 33 | 518 | .003009770 |
| B | 143,977,277 | 0.9494 | 151,650,808 | 7 | 32 | .007017777 |
| F1 | 131,961,534 | 0.9481 | 139,185,248 | 11 | 237 | .024240829 |
| F1 | 131,611,791 | 0.9443 | 139,374,977 | 6 | 75 | .010932561 |
| F1 | 131,136,364 | 0.9395 | 139,581,015 | 8 | 32 | .012598737 |
| F1 | 130,356,649 | 0.9371 | 139,106,444 | 4 | 12 | .010268803 |
| L1 | 77,058,276 | 0.9751 | 79,026,024 | 8 | 655 | .063476925 |
| L1 | 77,092,747 | 1.0351 | 74,478,550 | 6 | 73 | .001167321 |
| L1 | 78,843,862 | 0.9834 | 80,174,763 | 6 | 26 | .001719487 |
| L1 | 75,189,381 | 0.9439 | 79,658,206 | 4 | 10 | .012039172 |
| Random Totals: | 1,410,965,906 | 1,468,255,409 | 170 | 4,043 | ||
| Catg D1 Exception Values: | 44,680 | 40,077 | ||||
| Total Test Values (4): | 1,411,010,586 | 1,468,295,486 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 73,414,774 |
Confidence Interval Values (5)
| State Lower Limit: | 1,394,880,712 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,411,010,586 | (Within Confidence Interval) |
| State Upper Limit: | 1,541,710,260 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,862,676,273 | (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