2007 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 | 96,130,447 | 0.9904 | 97,062,245 | 53 | 2,826 | .076612122 |
| A | 96,054,428 | 0.8913 | 107,768,908 | 53 | 1,366 | .026044541 |
| A | 96,164,499 | 0.9095 | 105,733,369 | 47 | 872 | .025806016 |
| A | 96,009,783 | 0.9386 | 102,290,414 | 30 | 441 | .029343070 |
| D3 | 41,419,502 | 1.0205 | 40,587,459 | 19 | 1,597 | .036532896 |
| F1 | 36,393,944 | 1.1091 | 32,813,943 | 10 | 358 | .076295833 |
| F1 | 36,479,708 | 0.9177 | 39,751,235 | 7 | 95 | .019109659 |
| F1 | 38,531,473 | 0.8796 | 43,805,676 | 9 | 28 | .068834524 |
| L1 | 23,483,518 | 0.9957 | 23,584,933 | 7 | 340 | .000447907 |
| L1 | 23,624,484 | 0.9903 | 23,855,886 | 7 | 76 | .000236153 |
| L1 | 23,381,411 | 0.9830 | 23,785,769 | 7 | 25 | .000248928 |
| L1 | 23,387,880 | 0.9916 | 23,586,002 | 2 | 3 | .000004873 |
| Random Totals: | 631,061,077 | 664,625,839 | 251 | 8,027 | ||
| Catg J Exception Values: | 36,927,430 | 37,433,363 | ||||
| Catg D1 Exception Values: | 4,881,776 | 4,237,443 | ||||
| Catg F1 Exception Values: | 31,369,080 | 32,524,608 | ||||
| Total Test Values (4): | 704,239,363 | 738,821,253 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 36,941,063 |
Confidence Interval Values (5)
| State Lower Limit: | 701,880,190 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 704,239,363 | (Within Confidence Interval) |
| State Upper Limit: | 775,762,316 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 978,222,708 | (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