2008 Confidence Interval Detail
044/Collingsworth
044-902/Wellington ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,893,780 | 1.0795 | 7,312,441 | 23 | 476 | .103838656 |
| A | 8,115,200 | 0.9865 | 8,226,254 | 17 | 203 | .069186667 |
| A | 8,056,300 | 0.9543 | 8,442,104 | 15 | 131 | .011233298 |
| A | 10,352,420 | 0.9911 | 10,445,384 | 15 | 104 | .012264898 |
| D3 | 7,031,430 | 0.8648 | 8,130,701 | 21 | 1,642 | .503381548 |
| F1 | 1,306,730 | 1.2332 | 1,059,625 | 5 | 83 | .250511755 |
| F1 | 1,392,160 | 0.9057 | 1,537,109 | 5 | 27 | .000966165 |
| F1 | 1,078,320 | 0.8273 | 1,303,421 | 4 | 9 | .027243853 |
| L1 | 1,090,340 | 1.0318 | 1,056,736 | 6 | 52 | .003431398 |
| L1 | 1,411,680 | 0.9908 | 1,424,788 | 4 | 8 | .000719047 |
| L1 | 1,221,710 | 0.9965 | 1,226,001 | 3 | 4 | .000034812 |
| Random Totals: | 48,950,070 | 50,164,564 | 118 | 2,739 | ||
| Catg J Exception Values: | 2,104,725 | 1,835,852 | ||||
| Catg D1 Exception Values: | 24,134,740 | 28,377,195 | ||||
| Catg F1 Exception Values: | 911,660 | 1,038,908 | ||||
| Catg L1 Exception Values: | 446,730 | 446,730 | ||||
| Total Test Values (4): | 76,547,925 | 81,863,249 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 4,093,162 |
Confidence Interval Values (5)
| Local Test Value: | 76,547,925 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 77,770,087 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 85,956,411 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 74,587,299 | (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