2009 Confidence Interval Detail
227/Travis
246-913/Leander ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,092,008,946 | 1.0188 | 1,071,858,015 | 64 | 4,141 | .006171599 |
| A | 1,071,132,354 | 1.0008 | 1,070,276,133 | 62 | 2,869 | .006758742 |
| A | 1,123,498,252 | 1.0070 | 1,115,688,433 | 62 | 2,181 | .006900347 |
| A | 1,186,868,510 | 0.9822 | 1,208,377,632 | 51 | 1,232 | .006306633 |
| B | 390,106,539 | 0.9711 | 401,716,135 | 7 | 30 | .005647170 |
| F1 | 69,149,555 | 0.9631 | 71,798,936 | 7 | 96 | .001566657 |
| F1 | 60,817,439 | 0.9935 | 61,215,339 | 6 | 32 | .003543839 |
| F1 | 80,732,393 | 1.0014 | 80,619,526 | 6 | 16 | .003843519 |
| F1 | 84,598,425 | 0.9824 | 86,114,032 | 3 | 6 | .001124012 |
| Random Totals: | 5,158,912,413 | 5,167,664,181 | 268 | 10,603 | ||
| Catg D1 Exception Values: | 1,530,030 | 957,266 | ||||
| Catg F1 Exception Values: | 95,000,000 | 92,000,000 | ||||
| Total Test Values (4): | 5,255,442,443 | 5,260,621,447 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 263,031,072 |
Confidence Interval Values (5)
| State Lower Limit: | 4,997,590,375 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 5,255,442,443 | (Within Confidence Interval) |
| State Upper Limit: | 5,523,652,519 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 5,774,366,334 | (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