2011 Confidence Interval Detail
226/Tom Green
200-902/Miles ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,214,997 | 0.9311 | 2,378,903 | 10 | 38 | .015687013 |
| A | 2,184,125 | 0.9634 | 2,267,101 | 10 | 24 | .010143785 |
| A | 2,057,850 | 1.0120 | 2,033,449 | 10 | 17 | .025267043 |
| A | 1,664,350 | 0.9213 | 1,806,523 | 5 | 9 | .010847899 |
| D3 | 11,158,107 | 0.8757 | 12,741,929 | 15 | 571 | .076490005 |
| L1 | 170,051 | 0.9818 | 173,203 | 8 | 16 | .001728131 |
| Random Totals: | 19,449,480 | 21,401,108 | 58 | 675 | ||
| Catg J Exception Values: | 308,860 | 313,501 | ||||
| Catg D1 Exception Values: | 6,249,870 | 5,286,980 | ||||
| Catg L1 Exception Values: | 979,413 | 935,596 | ||||
| Total Test Values (4): | 26,987,623 | 27,937,185 |
Margin of Error
| Margin of Error Percent: | 6.5115508 |
|---|---|
| Margin of Error Value: | 1,819,144 |
Confidence Interval Values (5)
| State Lower Limit: | 26,118,041 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 26,987,623 | (Within Confidence Interval) |
| State Upper Limit: | 29,756,329 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 25,595,582 | (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