2009 Confidence Interval Detail
025/Brown
025-902/Brownwood ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 108,387,750 | 1.0099 | 107,325,230 | 27 | 2,992 | .121803048 |
| A | 104,540,775 | 0.8225 | 127,101,246 | 17 | 1,429 | .057684553 |
| A | 108,472,600 | 0.8778 | 123,573,251 | 16 | 908 | .104241188 |
| A | 111,986,350 | 0.9572 | 116,993,679 | 14 | 447 | .019775789 |
| D3 | 45,722,810 | 0.8361 | 54,685,815 | 22 | 1,597 | .144828448 |
| F1 | 43,173,730 | 0.9848 | 43,840,100 | 10 | 362 | .134094540 |
| F1 | 42,738,190 | 0.9104 | 46,944,409 | 9 | 102 | .033239323 |
| F1 | 44,199,780 | 0.9027 | 48,963,975 | 6 | 35 | .060527302 |
| F1 | 45,715,360 | 0.9411 | 48,576,517 | 3 | 8 | .000230621 |
| L1 | 22,786,790 | 1.0048 | 22,677,936 | 8 | 314 | .001980673 |
| L1 | 25,867,690 | 1.0147 | 25,492,944 | 6 | 86 | .005711635 |
| L1 | 28,104,310 | 1.0023 | 28,039,818 | 9 | 30 | .001550667 |
| Random Totals: | 731,696,135 | 794,214,920 | 147 | 8,310 | ||
| Catg J Exception Values: | 36,147,320 | 35,546,486 | ||||
| Catg D1 Exception Values: | 4,911,666 | 5,025,621 | ||||
| Catg L1 Exception Values: | 24,585,050 | 24,200,489 | ||||
| Total Test Values (4): | 797,340,171 | 858,987,516 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 42,949,376 |
Confidence Interval Values (5)
| Local Test Value: | 797,340,171 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 816,038,140 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 901,936,892 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,066,118,150 | (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