2009 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 | 159,157,080 | 0.9680 | 164,418,471 | 28 | 1,140 | .011069953 |
| A | 173,255,787 | 0.9833 | 176,198,299 | 34 | 676 | .003272709 |
| A | 191,997,600 | 1.0092 | 190,247,325 | 16 | 541 | .010450491 |
| A | 173,087,012 | 0.9677 | 178,864,330 | 9 | 288 | .007318281 |
| C | 11,673,623 | 0.9632 | 12,119,625 | 9 | 315 | .052721838 |
| C | 26,435,198 | 0.9875 | 26,769,821 | 9 | 326 | .006169277 |
| C | 24,536,095 | 0.8881 | 27,627,626 | 8 | 138 | .050029673 |
| C | 17,969,201 | 1.0222 | 17,578,948 | 7 | 42 | .003957528 |
| D3 | 127,945,417 | 0.9608 | 133,165,505 | 11 | 1,958 | .015675150 |
| F1 | 18,805,964 | 1.0185 | 18,464,373 | 6 | 80 | .006789190 |
| F1 | 17,027,539 | 0.9767 | 17,433,745 | 7 | 34 | .019948837 |
| F1 | 21,183,819 | 0.9279 | 22,829,851 | 5 | 26 | .014028522 |
| F1 | 20,649,020 | 0.9424 | 21,911,099 | 4 | 13 | .024348410 |
| Random Totals: | 983,723,355 | 1,007,629,018 | 153 | 5,577 | ||
| Catg D1 Exception Values: | 2,954,958 | 2,155,563 | ||||
| Total Test Values (4): | 986,678,313 | 1,009,784,581 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 50,489,229 |
Confidence Interval Values (5)
| State Lower Limit: | 959,295,352 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 986,678,313 | (Within Confidence Interval) |
| State Upper Limit: | 1,060,273,810 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,024,249,399 | (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