2006 Confidence Interval Detail
227/Travis
227-912/Lago Vista ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 197,475,242 | 0.9915 | 199,168,171 | 65 | 1,290 | .001746334 |
| A | 197,409,099 | 0.9944 | 198,520,816 | 67 | 869 | .001871902 |
| A | 197,487,728 | 0.9917 | 199,140,595 | 62 | 600 | .003695319 |
| A | 197,369,053 | 0.9774 | 201,932,733 | 25 | 246 | .001288959 |
| C | 49,292,540 | 1.1278 | 43,706,810 | 59 | 5,423 | .069380639 |
| C | 28,634,125 | 1.0365 | 27,625,784 | 60 | 1,245 | .027069757 |
| C | 39,084,374 | 1.0263 | 38,082,796 | 40 | 482 | .008192491 |
| C | 38,839,952 | 1.0009 | 38,805,027 | 47 | 158 | .001697055 |
| D3 | 63,811,020 | 0.9942 | 64,183,283 | 20 | 561 | .011686019 |
| Random Totals: | 1,009,403,133 | 1,011,166,015 | 445 | 10,874 | ||
| Catg D1 Exception Values: | 232,623 | 262,436 | ||||
| Total Test Values (4): | 1,009,635,756 | 1,011,428,451 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 50,571,423 |
Confidence Interval Values (5)
| State Lower Limit: | 960,857,028 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,009,635,756 | (Within Confidence Interval) |
| State Upper Limit: | 1,061,999,874 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,000,498,179 | (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