2009 Confidence Interval Detail
239/Washington
239-901/Brenham ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 193,181,909 | 0.9587 | 201,504,025 | 53 | 2,516 | .039077828 |
| A | 197,348,935 | 0.9396 | 210,035,052 | 35 | 1,634 | .019033961 |
| A | 197,329,600 | 0.9639 | 204,719,992 | 43 | 1,163 | .014674754 |
| A | 201,437,450 | 0.9552 | 210,885,103 | 15 | 726 | .005393781 |
| D3 | 595,118,592 | 0.9495 | 626,770,502 | 40 | 11,044 | .036067524 |
| F1 | 50,843,679 | 0.9400 | 54,089,020 | 8 | 386 | .138257591 |
| F1 | 58,822,338 | 0.9255 | 63,557,361 | 7 | 149 | .029030319 |
| F1 | 50,204,340 | 0.9331 | 53,803,815 | 6 | 42 | .044950935 |
| F1 | 52,760,990 | 0.9357 | 56,386,652 | 4 | 11 | .001983548 |
| G1 | 23,751,836 | 0.9957 | 23,854,410 | 6 | 44 | .036140102 |
| G1 | 23,372,650 | 0.9906 | 23,594,438 | 5 | 17 | .004881366 |
| G1 | 26,517,475 | 0.9753 | 27,189,044 | 4 | 9 | .008864034 |
| G1 | 20,545,190 | 0.9596 | 21,410,160 | 3 | 4 | .005919881 |
| L1 | 29,566,180 | 0.9943 | 29,735,673 | 7 | 502 | .011384134 |
| L1 | 27,791,275 | 0.9738 | 28,538,997 | 7 | 92 | .007906777 |
| L1 | 30,379,600 | 1.0104 | 30,066,904 | 6 | 36 | .038037325 |
| L1 | 34,170,775 | 1.1669 | 29,283,379 | 4 | 11 | .026862472 |
| Random Totals: | 1,813,142,814 | 1,895,424,527 | 253 | 18,386 | ||
| Catg D1 Exception Values: | 23,694,262 | 22,224,499 | ||||
| Total Test Values (4): | 1,836,837,076 | 1,917,649,026 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 95,882,451 |
Confidence Interval Values (5)
| State Lower Limit: | 1,821,766,575 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,836,837,076 | (Within Confidence Interval) |
| State Upper Limit: | 2,013,531,477 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,002,302,249 | (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