2009 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 | 695,961,060 | 0.9521 | 730,974,751 | 55 | 5,516 | .006331440 |
| A | 873,803,020 | 0.9871 | 885,222,389 | 61 | 5,221 | .004676271 |
| A | 800,532,276 | 0.9650 | 829,567,125 | 59 | 3,313 | .006930119 |
| A | 855,223,906 | 0.9568 | 893,837,694 | 61 | 2,071 | .012782361 |
| B | 210,403,181 | 0.9611 | 218,919,135 | 27 | 1,306 | .008915364 |
| B | 203,955,163 | 0.9904 | 205,932,111 | 7 | 241 | .000465820 |
| B | 216,430,654 | 0.9388 | 230,539,683 | 5 | 29 | .032612707 |
| B | 279,511,678 | 0.9511 | 293,882,534 | 4 | 12 | .006672906 |
| F1 | 243,716,992 | 0.9847 | 247,503,800 | 8 | 314 | .108023215 |
| F1 | 249,765,500 | 1.0919 | 228,743,933 | 7 | 102 | .066107375 |
| F1 | 256,395,210 | 0.9161 | 279,876,880 | 8 | 48 | .016104413 |
| F1 | 235,383,972 | 1.1140 | 211,296,205 | 5 | 15 | .030526590 |
| L1 | 76,754,300 | 1.0276 | 74,692,779 | 8 | 850 | .011725113 |
| L1 | 82,788,869 | 1.0536 | 78,577,135 | 7 | 180 | .002125244 |
| L1 | 80,502,760 | 1.0985 | 73,284,260 | 6 | 53 | .009880160 |
| L1 | 84,291,250 | 1.1539 | 73,049,008 | 5 | 16 | .055907902 |
| Random Totals: | 5,445,419,791 | 5,555,899,422 | 333 | 19,287 | ||
| Catg D1 Exception Values: | 2,250,675 | 1,501,950 | ||||
| Total Test Values (4): | 5,447,670,466 | 5,557,401,372 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 277,870,069 |
Confidence Interval Values (5)
| State Lower Limit: | 5,279,531,303 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 5,447,670,466 | (Within Confidence Interval) |
| State Upper Limit: | 5,835,271,441 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 5,753,251,755 | (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