2007 Confidence Interval Detail
021/Brazos
021-901/College Station ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 642,245,857 | 0.9340 | 687,629,397 | 56 | 5,401 | .006897007 |
| A | 642,305,941 | 0.9768 | 657,561,365 | 56 | 3,981 | .006130905 |
| A | 641,993,895 | 0.9557 | 671,752,532 | 57 | 2,794 | .011133368 |
| A | 641,879,028 | 0.9548 | 672,265,425 | 54 | 1,619 | .006013351 |
| B | 191,229,637 | 0.9267 | 206,355,495 | 55 | 1,152 | .006727193 |
| B | 194,044,740 | 0.9636 | 201,374,782 | 42 | 262 | .003062891 |
| B | 194,216,555 | 0.9749 | 199,216,899 | 7 | 28 | .002518729 |
| B | 183,194,333 | 1.0092 | 181,524,309 | 5 | 9 | .000480732 |
| F1 | 230,989,469 | 1.0910 | 211,722,703 | 6 | 302 | .005833662 |
| F1 | 233,688,661 | 0.9296 | 251,386,253 | 7 | 96 | .073598317 |
| F1 | 231,393,906 | 0.9326 | 248,116,991 | 6 | 41 | .011763853 |
| F1 | 223,839,591 | 1.0456 | 214,077,650 | 4 | 12 | .004303982 |
| L1 | 67,921,670 | 1.0655 | 63,746,288 | 7 | 857 | .028301089 |
| L1 | 68,276,066 | 1.0206 | 66,897,968 | 7 | 178 | .007573879 |
| L1 | 68,846,044 | 0.9796 | 70,279,751 | 7 | 56 | .003058671 |
| L1 | 66,279,562 | 1.0074 | 65,792,696 | 5 | 14 | .011303372 |
| Random Totals: | 4,522,344,955 | 4,669,700,504 | 381 | 16,802 | ||
| Catg D1 Exception Values: | 2,130,396 | 1,541,194 | ||||
| Total Test Values (4): | 4,524,475,351 | 4,671,241,698 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 233,562,085 |
Confidence Interval Values (5)
| State Lower Limit: | 4,437,679,613 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 4,524,475,351 | (Within Confidence Interval) |
| State Upper Limit: | 4,904,803,783 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 4,898,584,003 | (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