2006 Confidence Interval Detail
227/Travis
227-913/Lake Travis ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,012,233,373 | 0.9815 | 1,031,312,657 | 66 | 4,319 | .003064839 |
| A | 1,012,206,627 | 0.9885 | 1,023,982,425 | 66 | 2,684 | .007367036 |
| A | 1,012,687,249 | 0.9780 | 1,035,467,535 | 65 | 1,767 | .003653237 |
| A | 1,011,421,189 | 0.9702 | 1,042,487,311 | 62 | 847 | .004767519 |
| C | 76,951,138 | 0.9828 | 78,297,861 | 60 | 3,152 | .000753047 |
| C | 77,515,548 | 1.0024 | 77,329,956 | 51 | 1,012 | .012781899 |
| C | 75,971,338 | 0.9929 | 76,514,592 | 53 | 482 | .001803684 |
| C | 76,332,251 | 1.0379 | 73,544,899 | 42 | 158 | .057730189 |
| F1 | 107,022,601 | 0.8759 | 122,185,867 | 8 | 211 | .026253046 |
| F1 | 107,196,848 | 0.8947 | 119,813,175 | 7 | 57 | .003383248 |
| F1 | 106,811,585 | 0.9639 | 110,811,894 | 5 | 20 | .010224434 |
| F1 | 103,523,867 | 1.0588 | 97,774,714 | 6 | 8 | .020172747 |
| Random Totals: | 4,779,873,614 | 4,889,522,886 | 491 | 14,717 | ||
| Catg D1 Exception Values: | 1,787,840 | 2,015,662 | ||||
| Total Test Values (4): | 4,781,661,454 | 4,891,538,548 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 244,576,927 |
Confidence Interval Values (5)
| State Lower Limit: | 4,646,961,621 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 4,781,661,454 | (Within Confidence Interval) |
| State Upper Limit: | 5,136,115,475 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 4,803,609,107 | (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