2010 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 | 1,584,177,784 | 0.9641 | 1,643,167,497 | 96 | 6,133 | .007312121 |
| A | 1,393,640,490 | 0.9630 | 1,447,186,386 | 95 | 3,360 | .008403116 |
| A | 1,215,836,161 | 0.9848 | 1,234,602,113 | 57 | 1,879 | .005432982 |
| A | 1,200,679,030 | 0.9582 | 1,253,056,804 | 36 | 857 | .004329928 |
| C | 85,012,467 | 1.0059 | 84,513,835 | 24 | 2,111 | .010752868 |
| C | 137,820,667 | 0.9815 | 140,418,408 | 21 | 1,226 | .005239663 |
| C | 81,030,621 | 0.9963 | 81,331,548 | 12 | 353 | .009987346 |
| C | 127,295,537 | 0.9840 | 129,365,383 | 9 | 163 | .004638961 |
| F1 | 184,211,740 | 0.9535 | 193,195,322 | 9 | 263 | .021983562 |
| F1 | 168,743,511 | 0.9699 | 173,980,319 | 9 | 69 | .002254390 |
| F1 | 182,602,443 | 0.9922 | 184,037,939 | 7 | 28 | .001102586 |
| F1 | 117,464,314 | 0.9830 | 119,495,742 | 3 | 4 | .000385960 |
| Random Totals: | 6,478,514,765 | 6,684,351,296 | 378 | 16,446 | ||
| Catg J Exception Values: | 15,370,063 | 18,992,757 | ||||
| Catg D1 Exception Values: | 1,627,626 | 972,853 | ||||
| Total Test Values (4): | 6,495,512,454 | 6,704,316,906 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 335,215,845 |
Confidence Interval Values (5)
| State Lower Limit: | 6,369,101,061 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 6,495,512,454 | (Within Confidence Interval) |
| State Upper Limit: | 7,039,532,751 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 6,787,465,234 | (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