2009 Confidence Interval Detail
200/Runnels
200-901/Ballinger ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 21,821,100 | 1.0121 | 21,560,221 | 10 | 758 | .018129907 |
| A | 22,612,680 | 0.9806 | 23,060,045 | 8 | 424 | .015512172 |
| A | 23,932,090 | 0.9602 | 24,924,068 | 9 | 287 | .009464738 |
| A | 18,488,510 | 0.9810 | 18,846,595 | 7 | 123 | .006411014 |
| D3 | 42,282,750 | 1.0679 | 39,594,297 | 22 | 3,062 | .019352854 |
| F1 | 4,223,910 | 0.8209 | 5,145,462 | 7 | 132 | .946482652 |
| F1 | 4,706,290 | 0.9645 | 4,879,513 | 7 | 62 | .010046696 |
| F1 | 4,404,410 | 0.9965 | 4,419,880 | 5 | 21 | .003924935 |
| F1 | 4,619,790 | 0.9740 | 4,743,111 | 3 | 7 | .024349393 |
| G1 | 4,145,990 | 1.1151 | 3,718,043 | 6 | 32 | .013534168 |
| G1 | 3,845,246 | 0.9493 | 4,050,612 | 5 | 13 | .019470417 |
| G1 | 4,381,939 | 1.0126 | 4,327,414 | 4 | 7 | .002386149 |
| G1 | 3,551,035 | 1.1025 | 3,220,893 | 2 | 3 | .002209492 |
| Random Totals: | 163,015,740 | 162,490,154 | 95 | 4,931 | ||
| Catg J Exception Values: | 10,345,206 | 9,179,625 | ||||
| Catg D1 Exception Values: | 27,822,380 | 23,255,499 | ||||
| Total Test Values (4): | 201,183,326 | 194,925,278 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 9,746,264 |
Confidence Interval Values (5)
| State Lower Limit: | 185,179,014 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 201,183,326 | (Within Confidence Interval) |
| State Upper Limit: | 204,671,542 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 229,418,419 | (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