2011 Confidence Interval Detail
226/Tom Green
226-903/San Angelo ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 623,493,098 | 0.9756 | 639,086,816 | 45 | 10,528 | .005631197 |
| A | 670,701,098 | 0.9742 | 688,463,455 | 49 | 6,467 | .007779829 |
| A | 736,482,295 | 0.9843 | 748,229,498 | 50 | 4,761 | .003439783 |
| A | 722,199,956 | 0.9816 | 735,737,526 | 46 | 2,549 | .003009570 |
| F1 | 148,959,657 | 0.9410 | 158,299,317 | 25 | 1,086 | .035747413 |
| F1 | 152,258,816 | 1.0098 | 150,781,161 | 13 | 275 | .012359349 |
| F1 | 152,718,250 | 0.8686 | 175,821,149 | 10 | 77 | .047459599 |
| F1 | 160,914,068 | 1.0039 | 160,288,941 | 9 | 22 | .009916287 |
| L1 | 83,163,849 | 0.9822 | 84,670,993 | 10 | 939 | .006838365 |
| L1 | 79,087,092 | 0.9954 | 79,452,574 | 10 | 185 | .001815048 |
| L1 | 114,859,962 | 0.9744 | 117,877,629 | 10 | 69 | .032750922 |
| L1 | 64,951,355 | 0.9913 | 65,521,391 | 5 | 9 | .006679313 |
| Random Totals: | 3,709,789,496 | 3,804,230,450 | 282 | 26,967 | ||
| Catg D1 Exception Values: | 7,631,690 | 6,907,065 | ||||
| Total Test Values (4): | 3,717,421,186 | 3,811,137,515 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 190,556,876 |
Confidence Interval Values (5)
| State Lower Limit: | 3,620,580,639 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 3,717,421,186 | (Within Confidence Interval) |
| State Upper Limit: | 4,001,694,391 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 3,542,638,679 | (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