2007 Confidence Interval Detail
208/Scurry
208-903/Ira ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 7,695,149 | 1.0339 | 7,442,837 | 11 | 814 | .006725855 |
| G1 | 37,976,731 | 1.0877 | 34,914,711 | 9 | 92 | .024656513 |
| G1 | 37,351,960 | 1.0454 | 35,729,826 | 8 | 28 | .045175846 |
| G1 | 39,203,826 | 1.0364 | 37,826,926 | 6 | 12 | .012517804 |
| G1 | 34,270,491 | 1.0094 | 33,951,348 | 2 | 3 | .000511344 |
| Random Totals: | 156,498,157 | 149,865,648 | 36 | 949 | ||
| Catg D1 Exception Values: | 8,350,817 | 8,375,479 | ||||
| Total Test Values (4): | 164,848,974 | 158,241,127 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 7,912,056 |
Confidence Interval Values (5)
| State Lower Limit: | 150,329,071 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 164,848,974 | (Within Confidence Interval) |
| State Upper Limit: | 166,153,183 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 187,933,005 | (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