2009 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 | 13,501,060 | 0.9663 | 13,971,913 | 7 | 202 | .026770246 |
| A | 12,385,230 | 0.9669 | 12,809,215 | 7 | 125 | .010256823 |
| A | 14,803,290 | 0.9600 | 15,420,094 | 10 | 111 | .003710089 |
| A | 15,211,850 | 1.0165 | 14,964,929 | 6 | 76 | .003053146 |
| D3 | 93,125,560 | 0.9422 | 98,838,421 | 21 | 2,253 | .062945649 |
| G1 | 13,292,960 | 1.1094 | 11,982,116 | 6 | 76 | .044723653 |
| G1 | 13,691,460 | 0.9994 | 13,699,680 | 7 | 20 | .003124413 |
| G1 | 14,496,532 | 0.9980 | 14,525,583 | 4 | 9 | .001414673 |
| G1 | 10,997,220 | 1.0991 | 10,005,659 | 2 | 3 | .037882559 |
| Random Totals: | 201,505,162 | 206,217,610 | 70 | 2,875 | ||
| Catg J Exception Values: | 13,323,030 | 13,522,919 | ||||
| Catg D1 Exception Values: | 3,052,090 | 2,991,771 | ||||
| Total Test Values (4): | 217,880,282 | 222,732,300 |
Margin of Error
| Margin of Error Percent: | 5.0677576 |
|---|---|
| Margin of Error Value: | 11,287,533 |
Confidence Interval Values (5)
| State Lower Limit: | 211,444,767 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 217,880,282 | (Within Confidence Interval) |
| State Upper Limit: | 234,019,833 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 243,752,302 | (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