2009 Confidence Interval Detail
249/Wise
061-911/Northwest ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 81,674,890 | 1.0353 | 78,890,071 | 12 | 959 | .017941963 |
| A | 72,377,930 | 1.0199 | 70,965,712 | 33 | 484 | .005235148 |
| A | 80,851,630 | 0.9839 | 82,174,642 | 19 | 366 | .011608078 |
| A | 74,798,660 | 1.0841 | 68,996,089 | 7 | 212 | .027262872 |
| G1 | 217,979,694 | 0.9569 | 227,797,778 | 10 | 321 | .008908036 |
| G1 | 218,551,587 | 0.9864 | 221,564,869 | 10 | 172 | .010374910 |
| G1 | 217,511,130 | 0.9586 | 226,904,997 | 8 | 111 | .005940120 |
| G1 | 216,562,795 | 1.0341 | 209,421,521 | 7 | 57 | .001258060 |
| Random Totals: | 1,180,308,316 | 1,186,715,679 | 106 | 2,682 | ||
| Catg D1 Exception Values: | 1,925,100 | 1,983,966 | ||||
| Total Test Values (4): | 1,182,233,416 | 1,188,699,645 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 59,434,982 |
Confidence Interval Values (5)
| State Lower Limit: | 1,129,264,663 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,182,233,416 | (Within Confidence Interval) |
| State Upper Limit: | 1,248,134,627 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,450,754,872 | (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