2008 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 | 13,991,840 | 1.0925 | 12,807,176 | 7 | 210 | .061190011 |
| A | 14,861,360 | 0.9683 | 15,347,888 | 12 | 146 | .009450134 |
| A | 13,995,670 | 0.9823 | 14,247,857 | 10 | 100 | .001767699 |
| A | 10,817,120 | 0.9664 | 11,193,212 | 7 | 52 | .006780137 |
| D3 | 86,622,370 | 0.9850 | 87,941,492 | 31 | 2,219 | .033309289 |
| G1 | 15,229,400 | 0.9519 | 15,998,949 | 6 | 78 | .070998983 |
| G1 | 16,041,332 | 1.0408 | 15,412,502 | 6 | 17 | .042902640 |
| G1 | 16,143,304 | 1.0672 | 15,126,784 | 3 | 5 | .003683225 |
| Random Totals: | 187,702,396 | 188,075,860 | 82 | 2,827 | ||
| Catg J Exception Values: | 13,703,194 | 13,172,997 | ||||
| Catg D1 Exception Values: | 2,981,420 | 2,857,840 | ||||
| Catg G1 Exception Values: | 13,248,550 | 12,901,948 | ||||
| Total Test Values (4): | 217,635,560 | 217,008,645 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,850,432 |
Confidence Interval Values (5)
| State Lower Limit: | 206,158,213 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 217,635,560 | (Within Confidence Interval) |
| State Upper Limit: | 227,859,077 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 235,627,813 | (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