2007 Confidence Interval Detail
126/Johnson
126-901/Alvarado ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 95,207,242 | 0.9520 | 100,007,607 | 23 | 1,695 | .044745906 |
| A | 95,167,897 | 0.9514 | 100,029,322 | 39 | 1,107 | .009718314 |
| A | 95,141,396 | 0.9664 | 98,449,292 | 27 | 805 | .023916974 |
| A | 95,091,497 | 0.9623 | 98,816,894 | 20 | 462 | .011792657 |
| D3 | 111,123,739 | 0.8528 | 130,304,572 | 21 | 2,131 | .174558003 |
| F1 | 13,964,422 | 0.7619 | 18,328,418 | 14 | 113 | .124110502 |
| F1 | 14,124,314 | 0.8930 | 15,816,701 | 12 | 49 | .022321561 |
| F1 | 13,618,470 | 0.8607 | 15,822,551 | 13 | 24 | .015051907 |
| G1 | 35,755,303 | 0.9718 | 36,792,862 | 8 | 32 | .007666029 |
| G1 | 34,517,053 | 1.0010 | 34,482,570 | 5 | 16 | .047303549 |
| G1 | 37,324,253 | 0.9523 | 39,193,797 | 5 | 8 | .000815074 |
| G1 | 32,555,401 | 1.1568 | 28,142,636 | 2 | 3 | .007482972 |
| Random Totals: | 673,590,987 | 716,187,222 | 189 | 6,445 | ||
| Catg J Exception Values: | 21,282,782 | 21,185,617 | ||||
| Catg D1 Exception Values: | 4,037,894 | 3,806,642 | ||||
| Catg F1 Exception Values: | 11,731,342 | 13,142,900 | ||||
| Total Test Values (4): | 710,643,005 | 754,322,381 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 37,716,119 |
Confidence Interval Values (5)
| Local Test Value: | 710,643,005 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 716,606,262 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 792,038,500 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 858,059,294 | (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