2007 Confidence Interval Detail
061/Denton
061-907/Aubrey ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 75,881,070 | 0.9913 | 76,547,029 | 30 | 642 | .000719110 |
| A | 75,889,003 | 0.9982 | 76,025,850 | 48 | 457 | .000472865 |
| A | 75,841,736 | 1.0026 | 75,645,059 | 43 | 370 | .001210173 |
| A | 75,606,664 | 1.0018 | 75,470,817 | 30 | 229 | .000607280 |
| C | 3,892,252 | 0.9396 | 4,142,456 | 7 | 249 | .106198561 |
| C | 3,888,879 | 1.0742 | 3,620,256 | 7 | 200 | .041618333 |
| C | 3,980,341 | 0.9405 | 4,232,154 | 7 | 166 | .006012964 |
| C | 3,756,037 | 1.0314 | 3,641,688 | 14 | 70 | .003988284 |
| D3 | 128,293,043 | 1.0185 | 125,962,732 | 22 | 1,802 | .000737272 |
| F1 | 7,112,586 | 0.9729 | 7,310,706 | 8 | 40 | .016678671 |
| F1 | 7,164,730 | 0.7738 | 9,259,150 | 5 | 21 | .066557510 |
| F1 | 6,775,802 | 0.8390 | 8,076,045 | 4 | 12 | .028063687 |
| F1 | 6,710,386 | 0.7414 | 9,050,966 | 4 | 8 | .077792063 |
| Random Totals: | 474,792,529 | 478,984,908 | 229 | 4,266 | ||
| Catg D1 Exception Values: | 2,280,587 | 1,857,150 | ||||
| Total Test Values (4): | 477,073,116 | 480,842,058 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 24,042,103 |
Confidence Interval Values (5)
| State Lower Limit: | 456,799,955 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 477,073,116 | (Within Confidence Interval) |
| State Upper Limit: | 504,884,161 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 498,515,820 | (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