2008 Confidence Interval Detail
246/Williamson
246-908/Liberty Hill ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 150,664,739 | 0.9588 | 157,138,860 | 44 | 1,192 | .008063379 |
| A | 143,320,002 | 0.9845 | 145,576,437 | 38 | 609 | .005094031 |
| A | 157,216,502 | 0.9877 | 159,174,346 | 40 | 487 | .003153224 |
| A | 226,221,347 | 0.9692 | 233,410,387 | 23 | 435 | .017180153 |
| C | 19,355,281 | 0.8642 | 22,396,761 | 14 | 525 | .069634639 |
| C | 19,028,175 | 0.9376 | 20,294,555 | 12 | 273 | .050525844 |
| C | 15,203,727 | 0.9478 | 16,041,071 | 8 | 105 | .077822619 |
| C | 30,565,669 | 0.9126 | 33,492,953 | 6 | 105 | .010825600 |
| D3 | 115,662,203 | 0.9750 | 118,627,901 | 14 | 2,136 | .003806782 |
| F1 | 18,166,496 | 1.0404 | 17,461,069 | 7 | 83 | .011201849 |
| F1 | 13,489,826 | 0.9836 | 13,714,748 | 6 | 29 | .020662597 |
| F1 | 20,025,529 | 0.9956 | 20,114,031 | 5 | 27 | .002392829 |
| F1 | 22,795,928 | 0.9709 | 23,479,172 | 4 | 15 | .004453441 |
| Random Totals: | 951,715,424 | 980,922,291 | 221 | 6,021 | ||
| Catg D1 Exception Values: | 3,132,775 | 2,145,995 | ||||
| Total Test Values (4): | 954,848,199 | 983,068,286 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 49,153,414 |
Confidence Interval Values (5)
| State Lower Limit: | 933,914,872 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 954,848,199 | (Within Confidence Interval) |
| State Upper Limit: | 1,032,221,700 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 949,458,586 | (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