2006 Confidence Interval Detail
249/Wise
249-901/Alvord ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 11,336,987 | 0.9856 | 11,502,625 | 9 | 187 | .006047953 |
| A | 11,226,946 | 1.0742 | 10,451,449 | 9 | 118 | .035668498 |
| A | 11,300,824 | 1.0248 | 11,027,346 | 11 | 89 | .001888137 |
| A | 10,940,072 | 0.9960 | 10,984,008 | 9 | 55 | .003575830 |
| D3 | 74,327,080 | 0.9811 | 75,758,924 | 21 | 2,267 | .013903625 |
| G1 | 7,773,950 | 0.9798 | 7,934,221 | 6 | 76 | .001033825 |
| G1 | 7,728,190 | 1.0059 | 7,682,861 | 6 | 28 | .009801980 |
| G1 | 8,447,830 | 1.0843 | 7,791,045 | 4 | 12 | .014999625 |
| G1 | 6,754,020 | 1.0384 | 6,504,257 | 2 | 3 | .000662396 |
| Random Totals: | 149,835,899 | 149,636,736 | 77 | 2,835 | ||
| Catg J Exception Values: | 9,438,915 | 9,572,850 | ||||
| Catg D1 Exception Values: | 3,161,430 | 2,984,239 | ||||
| Total Test Values (4): | 162,436,244 | 162,193,825 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,109,691 |
Confidence Interval Values (5)
| State Lower Limit: | 154,084,134 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 162,436,244 | (Within Confidence Interval) |
| State Upper Limit: | 170,303,516 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 177,398,854 | (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