2008 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 | 99,808,639 | 0.9444 | 105,684,709 | 29 | 2,949 | .111835534 |
| A | 94,026,050 | 0.9784 | 96,101,850 | 47 | 1,376 | .020225753 |
| A | 104,285,020 | 0.9242 | 112,838,152 | 31 | 960 | .007836299 |
| A | 123,019,150 | 0.9782 | 125,760,734 | 15 | 549 | .030876652 |
| D3 | 42,278,232 | 0.8649 | 48,882,220 | 25 | 1,591 | .083188523 |
| F1 | 35,627,510 | 0.9616 | 37,050,239 | 15 | 346 | .150994615 |
| F1 | 45,685,010 | 0.9238 | 49,453,356 | 15 | 125 | .035656511 |
| F1 | 39,076,710 | 0.9873 | 39,579,368 | 10 | 35 | .001080677 |
| L1 | 25,199,200 | 1.0239 | 24,610,997 | 9 | 339 | .002833407 |
| L1 | 20,832,680 | 0.9868 | 21,111,350 | 9 | 72 | .000273386 |
| L1 | 33,751,520 | 0.9887 | 34,137,271 | 8 | 36 | .000150075 |
| Random Totals: | 663,589,721 | 695,210,246 | 213 | 8,378 | ||
| Catg J Exception Values: | 39,219,770 | 39,180,998 | ||||
| Catg D1 Exception Values: | 4,913,376 | 4,746,880 | ||||
| Catg F1 Exception Values: | 39,475,240 | 41,178,712 | ||||
| Catg L1 Exception Values: | 17,146,120 | 17,517,895 | ||||
| Total Test Values (4): | 764,344,227 | 797,834,731 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 39,891,737 |
Confidence Interval Values (5)
| State Lower Limit: | 757,942,994 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 764,344,227 | (Within Confidence Interval) |
| State Upper Limit: | 837,726,468 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,071,879,048 | (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